Mona Lisa

David (Michelangelo)

The Young Ladies of Avignon

Statue of Liberty

Oldest Figurative Art

Chauvet Cave

Taj Mahal

Eiffel Tower


Tower of London

Notre Dame de Paris

Brooklyn Bridge

Washington Monument

Empire State Building

Golden Gate Bridge

Death of Elvis Presley

Death of Michael Jackson

Assassination of John Lennon

Burj Khalifa

Death of Janis Joplin

Death of Jimi Hendrix

The Beatles

Peace Sign

Death of Van Gogh

St. Peter’s Basilica

The School of Athens

The Last Supper

Basilica of Saint Denis


Leaning Tower of Pisa

Mount Rushmore National Memorial

Alice in Wonderland

Adventures of Huckleberry Finn

Shakespeare’s Globe Theater

Cathedral–Mosque of Córdoba

Dome of the Rock

Great Wall of China

Great Pyramid of Cholula

Great Pyramid of Giza

Hanging Gardens of Babylon

Pyramid of Djoser

Great Sphinx of Giza

Ziggurat of Ur



Saint Basil’s Cathedral

Chennakesava Temple

El Castillo

CN Tower

Hagia Sophia

Sydney Opera House

Selimiye Mosque

Chrysler Building

Florence Cathedral

Petronas Towers

Willis Tower

Taipei 101

Guggenheim Museum Bilbao

Nefertiti Bust


Death of Marilyn Monroe

Mickey Mouse



Merry Old Santa Claus

Chaplin’s Tramp Costume

Death of James Dean

The Scream

Venus de Milo


Spiral Jetty

The Dance

The Dance Class

Portrait of Jeanne Hébuterne

The Kiss

At the Moulin Rouge, The Dance

Water Lilies

Terracotta Army

Dance at le Moulin de la Galette

The Third of May 1808

Under the Pandanus

Cave Paintings of Lascaux

Cave of the Hands

The Luncheon on the Grass

Gray Tree

Big Bathers

Freedom from Fear

Zone System

Whistler’s Mother


Rembrandt Self-portrait

Girl with a Pearl Earring

Casa Batlló, Barcelona

The Thinker

Oliver Twist

Marriage of Rivera & Kahlo

Fabergé Eggs

The Umbrellas

American Gothic

I Love New York


Tiffany & Co.

Composition VII

Portrait of An Old Man

Fountain of the Four Rivers

Polonaise in A-flat major, Op. 53

Vitruvian Man

Campbell’s Soup Cans

Drip Period

The Old Man and the Sea


The Persistence of Memory

Relativity (Escher)

Rear Window



Nazca Lines

Divine Comedy

Beijing National Stadium

Burj Al Arab

Trevi Fountain

Arc de Triomphe, Paris

Hollywood Sign

30 St Mary Axe, London


Stradivarius Instruments

Rock and Roll

Death of Houdini

Anna Karenina

Don Quixote

Gulliver’s Travels

Pride and Prejudice

Rosie the Riveter

Lord Kitchener Wants You

I Want You

The Great Wave off Kanagawa


The Birth of Venus

Sistine Chapel Ceiling

Death of Kurt Cobain


Gates of Paradise

We Are the World

Baptistry Doors Competition

Les Misérables

Impromptus (Schubert)

The Four Seasons


Radetzky March

The Blue Danube

Hungarian Dances

La bohème

Symphony No. 5

The Marriage of Figaro

Suite No. 1 in G major, BWV 1007

Academy Awards (1st)

Academy Awards (2nd)

Academy Awards (3rd)

Academy Awards (4th)

Academy Awards (5th)

Academy Awards (6th)

Academy Awards (7th)

Academy Awards (8th)

Academy Awards (9th)

Academy Awards (10th)

Academy Awards (11th)

Academy Awards (12th)

Academy Awards (13th)

Academy Awards (14th)

Academy Awards (15th)

Academy Awards (16th)

Academy Awards (17th)

Academy Awards (18th)

Academy Awards (19th)

Academy Awards (20th)

Academy Awards (21st)

Academy Awards (22nd)

Academy Awards (23rd)

Academy Awards (24th)

Academy Awards (25th)

Academy Awards (26th)

Academy Awards (27th)

Academy Awards (28th)

Academy Awards (29th)

Academy Awards (30th)

Academy Awards (31st)

Academy Awards (32nd)

Academy Awards (33rd)

Academy Awards (34th)

Academy Awards (35th)

Academy Awards (36th)

Academy Awards (37th)

Academy Awards (38th)

Academy Awards (39th)

Academy Awards (40th)

Academy Awards (41st)

Academy Awards (42nd)

Academy Awards (43rd)

Academy Awards (44th)

Academy Awards (45th)

Academy Awards (46th)

Academy Awards (47th)

Academy Awards (48th)

Academy Awards (49th)

Academy Awards (50th)

Academy Awards (51st)

Academy Awards (52nd)

Academy Awards (53rd)

Academy Awards (54th)

Academy Awards (55th)

Academy Awards (56th)

Academy Awards (57th)

Academy Awards (58th)

Academy Awards (59th)

Academy Awards (60th)

Academy Awards (61st)

Academy Awards (62nd)

Academy Awards (63rd)

Academy Awards (64th)

Academy Awards (65th)

Academy Awards (66th)

Academy Awards (67th)

Academy Awards (68th)

Academy Awards (69th)

Academy Awards (70th)

Academy Awards (71st)

Academy Awards (72nd)

Academy Awards (73rd)

Academy Awards (74th)

Academy Awards (75th)

Academy Awards (76th)

Academy Awards (77th)

Academy Awards (78th)

Academy Awards (79th)

Academy Awards (80th)

Academy Awards (81st)

Academy Awards (82nd)

Academy Awards (83rd)

Academy Awards (84th)

Academy Awards (85th)

Academy Awards (86th)

Academy Awards (87th)

Academy Awards (88th)

Academy Awards (89th)

Academy Awards (90th)

The Nutcracker

Gregorian Chant

Iliad and Odyssey

Cliff Palace

Die Walküre

Matryoshka Doll

Hurrian Songs

Australian Aboriginal Art

Bent Pyramid

Venus of Dolní Věstonice

Cave of Swimmers

King Kong

Uncle Tom’s Cabin

Lincoln Memorial Concert

Rhapsody in Blue


Louvre Museum

Sallie Gardner at a Gallop

Star Trek

The Satanic Verses

Knight, Death and the Devil

The Log

Star Wars

Elvis Presley

Dona i Ocell


Rubik’s Cube

The Song of Love


The Three Graces

Flight into Egypt

String Quartets, Op. 20


The Barber of Seville

The Feminine Mystique




Guy Fawkes Mask

Nubian Pyramids

Woodstock Festival


Cologne Cathedral

Venus of Willendorf

Göbekli Tepe

The War of the Worlds

Casino Royale

2001: A Space Odyssey

Sherlock Holmes

Munich Olympics Pictograms

Cosmic Calendar: 2 Second Ago

Cosmic Calendar: 11 Seconds Ago

Oldest Abstract Art

Destruction of Nimrud

Boulevard du Temple

Earliest Photographic Portrait

The Arrival of a Train at La Ciotat Station

A Trip to the Moon

The Entertainer


New Look

Art Nouveau

Art Deco



Untitled (Black on Gray)

Drowning Girl

A Bigger Splash

Blue and Green Music



Birth of James T. Kirk

Most Expensive Painting

The Tachypomp

Heart Symbol

Études-Tableaux, Op. 33

Movie Theater

Wonder Woman

Tower Bridge

March of Progress


The Adventures of Tintin

Robby the Robot

Death of Rumi

Nok Terracottas

Lincoln Cathedral


Cave Painting

Venus of Brassempouy


The Little Mermaid

The History of the Kings of Britain

Composition with Red Blue and Yellow

The Son of Man

The Starry Night


A Sunday Afternoon on the Island of La Grande Jatte

Van Gogh’s Ear Mutilation

A Computer Animated Hand


Calling of St Matthew


Self-Portrait with Thorn Necklace and Hummingbird

Bacchus and Ariadne

Toy Story

Star Trek II: The Wrath of Khan

Black-figure Pottery

Red-figure Pottery

Winged Victory of Samothrace

Colossus of Rhodes

Lighthouse of Alexandria

Mausoleum at Halicarnassus

Statue of Zeus at Olympia

Temple of Artemis

Oldest Rock Drawing

Lion-man of the Hohlenstein-Stadel

Venus of Hohle Fels

Roman Square Capitals

Solomon’s Temple

Pueblo Bonito

Roman Aqueducts

Theater of Dionysus

Roman Amphitheaters

Roman Roads

Doric Order

Ionic Order

Corinthian Order

_Snow White and the Seven Dwarfs_

Big Ben


Theater of Dionysus

Satyr Play


Aesop’s Fables

Academy Awards (91st)

Oldest Musical Instruments


Defection of Rudolf Nureyev

Kermit the Frog

_Extraordinary Voyages_

Rube Goldberg Machine



_The Hero with a Thousand Faces_


_Animal Farm_


_To the Lighthouse_

Academy Awards (92nd)

_Little Nemo_

Red Fort

Caprice No. 24

_An Essay on the Inequality of the Human Races_

_David_ (Donatello)


Academy Awards (93rd)

World Population: 8 Billion

World Population: 9 Billion

World Population: 10 Billion

Life Expectancy: 100+ Years

High-performance PC

Intelligent Robots

Direct Brain Input

China’s Economic Lead


Technological Singularity

Ultra Intelligence

Safe Chernobyl

Splitting of Africa

Los Angeles Slides Northward

Disintegration of Phobos

Africa Collides with Eurasia

Australia Collides with Southeast Asia

Pangaea Ultima

Hotter Sun

Red Giant

Andromeda–Milky Way Collision

Big Rip

Wetter Sahara

India Slides Northward

Erosion of Niagara Falls

Approach of Gliese 710

Close Approach of Apophis (2036)

Manned Mission to Mars

James Webb Space Telescope

Passing the Turing Test

Black Dwarf

Farther Moon

Close Approach of Apophis (2029)

Erratic Earth Wobble

Ice-free Arctic

Sea Level Rise

Safe Fukushima Daiichi

Asteroid Capture


Unrecognizable Constellations

Urban Population: 70%

Doubling of the Universe

White Dwarf

Erosion of Saturn’s Rings

Uninhabitable Kiribati

Disintegration of Triton

Erosion of Neil Armstrong’s Footprint

Homo martis

SpaceX Mission to Mars

Japan’s Population

China’s Population

Arrival of the Arecibo Message

Human Colony on Mars

Green Aviation

Deforestation of the Amazon Rainforest

Threatened Bird Species

Space Elevator

Type I civilization

Literacy Level

Life Extension

Coal-Free Britain

Africa’s Population

Most Spoken Language

Green Denmark

Erosion of the Great Pyramid of Giza

Erosion of Mount Rushmore

Decay of Voyager Golden Records

Voyager 1 Flight Path

Voyager 2 Flight Path

Green California

Mars 2020

Peak Oil

European Heat Waves

Persian Gulf Heat Waves

Extremely Large Telescope

Eradication of Polio

U.S. Population

Greener Cars

Inhospitable Earth

Renewables Cheaper Than Fossil Fuels

California Solar Homes


Depletion of Natural Resources

Large Magellanic Cloud–Milky Way Collision

Climate Change Urgency

Insect Mass Extinction

Lunar Orbital Platform-Gateway

Space-based Solar Power

Collision of the Moons of Uranus


Flying Car

Red Sea–Dead Sea Water Conveyance

Mars Habitat

Artemis 2

Private Astronaut Missions

Single-use Plastics Ban

Artemis 3

Expiration of Hong Kong’s SAR

Dragonfly (spacecraft)

First Carbon-neutral Country


Deorbit of Hubble

Mars Sample-return Mission

Green China

SpaceX Axiom Space-1





Behavioral Modernity

Out of Africa

Big Bang

Solar System


Matter Domination

Reionization of Hydrogen

Reionization Epoch


Oldest Rocks

Rodinia Supercontinent

Pangaea Supercontinent


Snowball Earth Periods

Breakup of Pangaea

Desertification of the Sahara

Eruptions of Eyjafjallajökull


Breakup of Rodinia

Snowball Earth

Grand Canyon

Tunguska Explosion

Eruption of Mount Tambora

Eruption of Mount Vesuvius

Last Glacial Maximum


Tōhoku Earthquake and Tsunami

Comet Shoemaker-Levy 9

Last glacial period

Oldest Hawaiian Island

Siberian Traps

India-Asia Collision

Late Heavy Bombardment

Burgess Shale

Early Beetles

Triassic–Jurassic Extinction Event

Permian–Triassic Extinction Event

Late Devonian Extinction Event

Ordovician–Silurian Extinction Event

Extinction of the Quagga

Extinction of the Great Auk

Extinction of the Dodo

Extinction of the Mammoth

Extinction of the Hawaii Oo

Extinction of the Thylacine

Extinction of the Aurochs

Extinction of the Passenger Pigeon

Extinction of the Smilodon

Extinction of the Syrian Wild Ass

Extinction of Homo neanderthalensis

Extinction of Homo floresiensis

Extinction of the Syrian Elephant

Extinction of the Moa

Extinction of the Haast’s Eagle

Extinction of the Atlas Bear

Extinction of the Toolache Wallaby

Extinction of the Arabian Ostrich

Extinction of the Golden Toad

Extinction of the Pyrenean Ibex


Neanderthals (H. neanderthalensis)

Ediacaran Period

Cambrian Period

Ordovician Period

Silurian Period

Devonian Period - Age of Fish


Permian Period

Mesozoic Era - Age of Dinosaurs

Triassic Period

Jurassic Period

Cretaceous Period

Paleogene Period

Start of the Ediacaran Period

Start of the Cambrian Period

Start of the Ordovician Period

Start of the Silurian Period

Start of the Devonian Period

Start of the Carboniferous Period

Start of the Permian Period

Start of the Triassic Period

Start of the Jurassic Period

Start of the Cretaceous Period

Cambrian Explosion



Complex Cells (Eukaryotes)

Multicellular Life


Early Plants



Early Animals

Complex Life Form

Vascular Plants

Early Land Plants

Early Tetrapods

Early Reptiles

Early Amniotes

Flowering Plants

Early Mammals


Early Turtles

Early Crocodilians

Early Bats

Early Cats

Early Elephants

Spread of Grass

Oldest Living Tree


Early Sharks


Early Land Animals

Early Spiders


Pulmonoscorpius kirktonensis




Early Frogs

Early Dinosaurs





Early Bees

Early Leafy Trees

Tyrannosaurus rex





Early Dogs

High Oxygen Concentration


Early Rodents



Early Arachnids




Tabulate Coral

Rugose Coral

Stable Soils


Early Horses





Early Snakes



Oldest Living Organism

Oldest Living Animal



Baleen Whales

Early Dolphins








Retreat of Grinnell Glacier

Retreat of Helheim Glacier

Larsen A Ice Shelf

Larsen B Ice Shelf

Extinction of the Bali Tiger


Logging and Deforestation


Terror Birds

Brunhes–Matuyama Reversal

Extinction of the American Horse

Primates (Primates Order)

Great Apes (Hominidae Family)

Early Humans (Homo Genus)

Modern Human (Homo sapiens)

Minatogawa Man



Mungo Man

Tianyuan Man

Cro-Magnon Man

Early Tools

Settlement of the Americas

World Population: 5 Million

World Population: 1 Billion

World Population: 2 Billion

World Population: 3 Billion

World Population: 4 Billion

World Population: 5 Billion

World Population: 6 Billion

World Population: 7 Billion

Life Expectancy: 20 Years

Life Expectancy: 28 Years

Life Expectancy: 31 Years

Life Expectancy: 67.2 Years

Vredefort Crater

Sudbury Basin

Chicxulub Crater

Manicouagan Crater

Popigai Crater

Lonar Crater

Henbury Craters

Pingualuit Crater

Kaali Craters

Rhyniognatha hirsti

Early Lepidopterans

Early Ants

Bony Fish

Early Amphibians


Homo erectus

Cooling of Antarctica

Shrinking of the Aral Sea

Homo habilis

Homo heidelbergensis



Great Comet of 1997

Great Comet of 1811

SN 1604

SN 185

SN 1006

SN 1054

SN 1572

Minoan Eruption


Extinction of the Western Black Rhinoceros

Cat Self-domestication

Ebola Virus Disease

Generations Since Lucy

Generations Since Homo sapiens

Lower Sea Level


Living Fossil

Early Vertebrates

Early Marsupials


Closer Moon



Chimpanzee–human Last Common Ancestor

Hadean Eon


Larger Brain

Eruption of Laki

Extinction of the Pinta Island Tortoise

Spanish Flu

Eruption of Krakatoa

Shrinking Arctic Ice

Banded Iron Formation

Horseshoe Crab


Tidal Locking

Toba Supereruption

Martian Floods

Medieval Warm Period


Sexual Reproduction

Carrington Event

Extinction of Pig-footed Bandicoot

Extinction of Bubal Hartebeest


Milky Way

Great American Interchange

Oldest Sedimentary Rocks


Cretaceous–Paleogene Extinction Event

Start of the Paleogene Period

Chelyabinsk Meteor Event

Close Approach of 2012 DA14

Extinction of the Marsupial Lion

Solar System Orbits Since Formation

Mitochondrial Eve

Y-chromosomal Adam

Turkana Boy

Photon Decoupling





Barringer Crater


Co2 above 400 PPM

Anchiornis huxleyi


Iberomesornis romerali

Early Giraffes


World Population: 15 Thousand


Uncontacted Peoples

Last Wild Indian

Homo antecessor

Homo erectus Migration

Homo heidelbergensis Migration

Urban Population: 20%

Urban Population: 50%

Jawed Fish

Arlington Springs Man

HD 140283

Typhoon Haiyan

Happisburgh Footprints

Oldest Material

Red Hair

Blond Hair

Cosmic Calendar: January 1

Cosmic Calendar: December 17

Cosmic Calendar: December 30

Cosmic Calendar: 12 Minutes Ago

Accelerating Universe

Jabal Faya Archaeological Site


Living Planet Report 2014


Extinction of Camelops

Oldest Fossil

Starquake GRB 041227

Today’s Sunlight



Great Comet of 1861

Great Comet of 1577

Great Comet of 1264

Great Comet of 1556

Great Comet of 1680

Great Comet of 1744

Great Comet of 1819

Great Comet of 1843

Great Comet of 1882

Great Comet of 1901

Emergence of Brood X

Extinction of the Dusky Seaside Sparrow

Extinction of the Cape Verde Giant Skink

Extinction of the Javan Tiger

Extinction of the Japanese Wolf

Extinction of the Tarpan

Extinction of the Newfoundland Wolf

Extinction of the Carolina Parakeet

Extinction of the Heath Hen

Extinction of the Barbary Lion

Extinction of the Laysan Crake

Extinction of the Caspian Tiger

Larsen C Ice Shelf


Yellowstone Supervolcano



Human Bipedalism

Hairless Hominins

Skin Pigmentation


Gorilla–human Last Common Ancestor


English Channel

Tuskless Elephants


Galápagos Islands


Early Flies and Mosquitoes

Persistence Hunting


Ancestors of Birds

Great Rift Valley

Arabia–Eurasia Collision

Persian Gulf Petroleum

Early Insects

Early Crustaceans

Early Arthropods

Deccan Traps

Earth’s Magnetic Field

La Brea Tar Pits

Cheddar Man


Clovis Culture


Bear Dog

GRB 080319B


Orangutan–human Last Common Ancestor

Extinction of the Irish Elk


East African Megadrought

Natufian Culture

Early Life

Venus’ Runaway Greenhouse Effect

Great Oxygenation Event

Start of the Hadean Eon

Solar System Planets

Cosmic Calendar: September 2



Oldest Living Animal

Extinction of the Elephant Bird



Early Eutheria

Dark Ages Period

Start of the Dark Ages Period

Little Ice Age

Light Skin

Orb Web Construction

Modern Human–Neanderthal Interbreeding

Tethys and Paratethys Seas


Great Rift Valley

Arabia–Eurasia Collision

Early Bugs


Maotianshan Shales

Hunsrück Slate

Gogo Formation

Solnhofen Limestone

Santana Group

Yixian Formation

Green River Formation


Formation of the Rings of Saturn

Early Sharks

Solidifying of Earth’s Inner Core


Start of the Hadean Eon

Cosmic Calendar: September 2

Two-moon Collision

Chemical Elements

Accelerating Extinctions

Holocene Extinction (Sixth Extinction)



_Danuvius guggenmosi_

Eve of Naharon


Oldest Non-terrestrial Material on Earth


Brighter Milky Way

Lunar Maria

Insect Metamorphosis

Rocky Mountains

Depletion of Ellesmere Island Ice Caps

_Aegirocassis benmoulai_

Living Planet Report 2016

Extinction of the African Elephant


Hoofed Animals

Feet, Paws, and Hooves


Archicebus achilles


Internal-combustion Engine

Scientific Revolution

Copernican Revolution

On the Fabric of the Human Body

Apple Computer, Inc.

Human Genome Project

Movie Camera



Early Huts

Neolithic Revolution

Tally Stick

Early Fiber Weaving

Early Sewing Needles

Early Clothes

Early Alphabet

Printed Book

Gutenberg’s Press

Trial of Galileo


Kite Experiment

Animal Electricity


Steam Engine



On the Origin of Species



Light Bulb

First Airplane Flight

Earth from Space

Earth from Moon

Apollo 11 Moon Landing

DNA Double Helix

Sputnik 1


Intel 4004

Intel 8080

Apple I

Apple II


Lotus 1-2-3


World Wide Web


MPMan F10



Integrated Circuit

Commodore PET

Space Shuttle

Columbia Disaster

Challenger Disaster

Altair 8800

Moving Assembly Line


Hubble Space Telescope

Deep Blue Beats Kasparov

Global Positioning System (GPS)



Voyager Program


Ascent of Mount Everest

Mobile Phone

Digital Camera

Breaking the Sound Barrier

Z3 Computer

Atanasoff–Berry Computer

Colossus Computer

ENIAC Computer

Jacquard Loom

Discovery of King Tut


Antarctic Expedition

Teddy Bear


Riveted Jeans

Mendelian Inheritance

Periodic Table

Postage Stamp

Decipherment of Egyptian Hieroglyphs

Sighting of Antarctica



Lightning Rod

Marine Chronometer

Sighting of Australia

Execution of Giordano Bruno

Royal Society

Gregorian Calendar

Book of Optics

The Canon of Medicine

Movable Type

Watson Competes on Jeopardy!

Disappearance of Amelia Earhart

Lindbergh’s Transatlantic Flight

Harvard University

House of Wisdom

University of Al-Karaouine

University of Bologna

University of Paris

University of Oxford

Platonic Academy

Early Copper Use


Early Meteoric Iron Use

Early Iron Mining


Panama Canal

Suez Canal

Channel Tunnel



Microsoft Corporation

Death of Archimedes

Death of Pythagoras


Mars Flyby

Viking Program

First Human Spaceflight

Freedom 7

Friendship 7


Gemini 4

Mars Pathfinder

Mars Exploration Rovers

Water on Mars

Wilkinson Microwave Anisotropy Probe (WMAP)

Pillars of Creation

Back from Extinction

Private Spaceflight

Successful Failure

Meridional Meter


Award of Nobel to Curie

Astronomia Nova


Stone Age Period

Dog Domestication

Fox Domestication

Horse Domestication

Goat Domestication

Chicken Domestication

Fig Domestication

Grain Domestication


Solar Cell

Nuclear Energy

Wind Turbine

Final Shuttle Launch


The Interpretation of Dreams

Nuclear Fission


International Space Station

In Vitro Fertilization



First Radio Broadcast

Running Machine

Microwave Oven

Spinning Jenny

Puffing Billy

Watt Steam Engine

Meditations on First Philosophy

Novum Organum

Synthetic Diamond

H-4 Hercules (Spruce Goose)

Atomic Clock

The Prince



Galaxy Game

Magnavox Odyssey


Metric Mixup



Recategorization of Pluto

Xerox Alto

Heart Transplant

Deorbit of Mir

Mariana Trench Dive

Face Transplant

Ford Model T


Daimler Reitwagen

Second Voyage of HMS Beagle

Tupolev Tu-144

Mattel Auto Race

Sony Walkman TPS-L2



Explorer 1



Safety Bicycle

Alternating Current System

AC Power

Lunokhod 1

Lunar Roving Vehicle


Huygens Landing


Tiangong 1

Shenzhou 1

Shenzhou 5

Shenzhou 7


Animals in Space

Sputnik 2

Vostok 6


European Space Agency

Russian Federal Space Agency

China National Space Administration

Kahun Gynecological Papyrus



Scanning Electron Microscope

Earliest Named Dinosaur

On the Genealogy of Morality


Tool Making and Use by Animals


Martian Bacteria

Eradication of Smallpox


Mother of All Demos

Aerial Circumnavigation

Book of Knowledge

Untethered Flight

First Successful Glider

First Practical Dirigible

Execution of Socrates

Death of Hippocrates


Transistor Radio

Vacuum Tube (Thermionic Valve)

Rutan Voyager

Death of Herodotus


Apollo 1 Accident

Death of Confucius

Death of Voltaire

Galaxies Beyond the Milky Way

Potato Domestication

Pig Domestication

Death of Cicero

General Relativity

Luna 3

Untethered Spacewalk

Nexus (WorldWideWeb)

Scanning Tunneling Microscope

Pale Blue Dot



Cotton Gin


COTS Demo Flight 1

Continental Drift

Salyut 1

Soyuz 11 Accident

Soyuz 1 Accident

Primates in Space

Dragon C2+

Liber Abaci


Expanding Universe

Color Photography

Japan Aerospace Exploration Agency





Apple Lisa

Jet Aircraft

Turing Machine

Quantum Mechanics

Mars Science Laboratory

Electromagnetic Induction

Death of Ptolemy

Goseck Circle

Death of Aristotle

Death of Spinoza

Death of Eratosthenes




Apollo 17

Venus Flyby

Blue Marble

Piltdown Man

Hutton’s Unconformity

Mars 3

University of Timbuktu

Cavendish Banana

McIntosh Apple

Dunes of Mars

Elk Cloner

Fastest Humans

The Wealth of Nations

Probability Theory




Transatlantic Transmission

Splitting the Atom

Vanguard 1

Cornu Helicopter

Cosmic Microwave Background Radiation

Wang 2200

NEAR Shoemaker

Critique of Pure Reason


Space Tourism

Apollo 8

Mercury Flyby

Jupiter Flyby

Saturn Flyby

Uranus Flyby

Neptune Flyby

Waterbears in Space

Martian Dust Devil Trails

Instant Photo Sharing

Saturn Eclipses the Sun

Cupola Module

Voyages of Edmond Halley

Older Universe

View of Titan from Huygens


Antikythera Mechanism

Osborne 1

Metamorphosis Insectorum Surinamensium





Three Laws of Robotics

Driverless Car

Wow! Signal

National University of San Marcos

Venera 1


Human-powered Helicopter

Space Rendezvous


Tower Subway

Cultured Meat



HeLa Immortal Cell Line

Vanguard TV3

Apollo–Soyuz Test Project


Moore’s Law

Interstellar Spaceflight


There’s Plenty of Room at the Bottom

Apollo 7

Venera 7

IBM Simon

Investigation of Outer Space Rocket Devices

Luna 1

Luna 2

Chang’e 3

Camel Domestication


Light Deflection

Cosmic Calendar: 28 Seconds Ago

Liquid-fueled Rocket

Age of Meteorites and the Earth

Project Diana

Solar Thermal Power Station

Higgs Boson

Difference Engine

First Probe to Orbit Comet

Frequency-hopping Spread Spectrum

Orion Flight Test 1

Tabulating Machine

Confirmation of Higgs Boson


Pluto Flyby

Manchester Small-Scale Experimental Machine

Binomial Nomenclature

Miller-Urey Experiment


AlphaGo vs. Lee Sedol

Stratospheric Flight

Sunway TaihuLight

Circular to Linear Motion

Solar Impulse 2


Fastest Man-Made Vehicle

Voyager Golden Records

Martian Canals


Death of Omar Khayyam


Rorschach Test

Electric Car

Image Scanner


De Motu Cordis



The Last Man Who Knew Everything

Dawn (spacecraft)


JRF 115H (Leonardo)

Trachodon Mummy



Arecibo Message

Death of Leonhard Euler

Belyayev’s Fox Experiment

Chemosynthetic Ecosystems

Morse Message (1962)

Gravitational Wave

Interstellar Visitor


Big Bang Theory

Polio Vaccine


Origin of Birds

Benoist XIV

Heliocentric Model

Rapid Adaptation

Boolean Logic

Alvarez Hypothesis

Classical Conditioning

Turing Test

Miasma Theory

Plague Doctor Costume

Germ Theory of Disease

Death of Galen


Electron Microscope



Stone Age

Copper Age

Bronze Age

Iron Age

Zhong Zhong and Hua Hua




Modern Constellations

Death of Thales of Miletus


Wöhler Synthesis

Genetic Engineering


A Brief History of Time

3D Printing



Control of Fire by Early Humans


Summit (Supercomputer)



Death of Jabir ibn Hayyan

Luna 16

Space Race

Fernsehsender Paul Nipkow


Woodblock Printing

Babylonian Map of the World

Spherical Earth


Desert Kites






Cacao Domestication

Library of Alexandria

Lunar Calendar

Machine Learning

Fastest Man-Made Vehicle

Genetically Modified Humans

Waggle Dance

Monitor-Top Refrigerator

Watch 1505

Geocentric Model

Salisbury Cathedral Clock

Backhaus Clock

Reflecting Telescope

Hominids in Space


UY Scuti

World Wide Web

Unassisted Takeoff

Fire Lance

Hand Cannon



Rifled Musket

Repeating Rifle

Machine Gun

Standard Candle

Luna 9

First Image of a Black Hole

Surveyor 1

_Book of Ingenious Devices_

Jaquet-Droz Automata

Turtle (Robot)

Human-induced Climate Change



Challenger Deep Descent

Electromagnetic Radiation

_The Prince_


Steamship Transatlantic Crossing

Aircraft Transatlantic Crossing

Luna 15

Keystone Species

Crew Dragon Demo-2

Sub-orbital Spaceflight

Chicago Pile-1

Fugaku (Supercomputer)

Emirates Mars Mission


War of the Currents



Discovery of Saturn’s Rings

First Computer Program

Rumble in the Jungle

Modern Olympics

Ancient Olympic Games

Special Olympics

Munich Massacre


Miracle on Ice

Owens Debunks Aryan Myth

Breaking the Color Barrier

Undefeated Champion

Perfect Score

Four-minute Mile

Land Speed Record

Jeet Kune Do

Auto Racing

Daytona Beach Road Course

Football (Soccer)



Eight-thousanders Ascent

Tour de France

Summer Olympics 2012

Match of the Century

Title IX

Supersonic Skydive

Winter Olympics 2014

FIFA World Cup

Summer Olympics 2016

Goal of the Century

Summer Olympics 2020

Winter Olympics 2018

1970 World Cup

Mesoamerican Ballgame

Battle of the Sexes

First Land Speed Record

Vermont Joins the Union

Kentucky Joins the Union

Tennessee Joins the Union

Ohio Joins the Union

Louisiana Joins the Union

Indiana Joins the Union

Mississippi Joins the Union

Illinois Joins the Union

Alabama Joins the Union

Maine Joins the Union

Missouri Joins the Union

Arkansas Joins the Union

Michigan Joins the Union

Florida Joins the Union

Texas Annexation

Iowa Joins the Union

Wisconsin Joins the Union

California Joins the Union

Minnesota Joins the Union

Oregon Joins the Union

Kansas Joins the Union

West Virginia Joins the Union

Nevada Joins the Union

Nebraska Joins the Union

Colorado Joins the Union

North Dakota Joins the Union

South Dakota Joins the Union

Montana Joins the Union

Washington Joins the Union

Idaho Joins the Union

Wyoming Joins the Union

Utah Joins the Union

Oklahoma Joins the Union

New Mexico Joins the Union

Arizona Joins the Union

Alaska Joins the Union

Hawaii Joins the Union

George Washington

John Adams

Thomas Jefferson

James Madison

James Monroe

John Quincy Adams

Andrew Jackson

Martin Van Buren

William Henry Harrison

John Tyler

James K. Polk

Zachary Taylor

Millard Fillmore

Franklin Pierce

James Buchanan

Abraham Lincoln

Andrew Johnson

Ulysses S. Grant

Rutherford B. Hayes

James A. Garfield

Chester A. Arthur

Grover Cleveland 1st Term

Benjamin Harrison

Grover Cleveland 2nd Term

William McKinley

Theodore Roosevelt

William Howard Taft

Woodrow Wilson

Warren G. Harding

Calvin Coolidge

Herbert Hoover

Franklin D. Roosevelt

Harry S. Truman

Dwight D. Eisenhower

John F. Kennedy

Lyndon B. Johnson

Richard Nixon

Gerald Ford

Jimmy Carter

Ronald Reagan

George H. W. Bush

Bill Clinton

George W. Bush

Barack Obama

Inauguration of George Washington

Inauguration of John Adams

Inauguration of Thomas Jefferson

Inauguration of James Madison

Inauguration of James Monroe

Inauguration of John Quincy Adams

Inauguration of Andrew Jackson

Inauguration of Martin Van Buren

Inauguration of William Henry Harrison

Death of William Henry Harrison

Inauguration of John Tyler

Inauguration of James K. Polk

Inauguration of Zachary Taylor

Inauguration of Franklin Pierce

Inauguration of James Buchanan

Inauguration of Abraham Lincoln

Assassination of Abraham Lincoln

Inauguration of Andrew Johnson

Inauguration of Ulysses S. Grant

Inauguration of Rutherford B. Hayes

Inauguration of James A. Garfield

Assassination of James A. Garfield

Inauguration of Chester A. Arthur

Grover Cleveland’s 1st Inauguration

Inauguration of Benjamin Harrison

Grover Cleveland’s 2nd Inauguration

Inauguration of William McKinley

Assassination of William McKinley

Inauguration of Theodore Roosevelt

Inauguration of William Howard Taft

Inauguration of Woodrow Wilson

Inauguration of Warren G. Harding

Inauguration of Calvin Coolidge

Inauguration of Herbert Hoover

Inauguration of Franklin D. Roosevelt

Death of Franklin D. Roosevelt

Inauguration of Harry S. Truman

Inauguration of Dwight D. Eisenhower

Inauguration of John F. Kennedy

Assassination of President Kennedy

Inauguration of Lyndon B. Johnson

Inauguration of Richard Nixon

Resignation of Nixon

Inauguration of Gerald Ford

Inauguration of Jimmy Carter

Inauguration of Ronald Reagan

Inauguration of George H. W. Bush

Inauguration of Bill Clinton

Inauguration of George W. Bush

Inauguration of Barack Obama

Roe v. Wade

Watergate Scandal

Assassination of Robert F. Kennedy

Assassination of Malcolm X

Civil Rights Act of 1964

Brown v. Board of Education

Montgomery Bus Boycott

Social Security Act

New Deal

Women’s Suffrage in the US

End of Prohibition


San Francisco Earthquake

Yellowstone National Park

Ku Klux Klan

Emancipation Proclamation

Confederate States of America

Secession of South Carolina

California Gold Rush

Panic of 1819

Lewis and Clark Expedition

Louisiana Purchase

Treaty of Greenville

United States Constitution

Articles of Confederation

Battle of Trenton

Second Continental Congress

First Continental Congress

Intolerable Acts

Boston Tea Party

Boston Massacre

Union of Colonies

Slavery in North America

Salem Witch Trials

Jamestown Settlement

Plymouth Colony

United States Declaration of Independence

Great Depression

March on Washington

Assassination of MLK, Jr.

Three Mile Island Accident

Deepwater Horizon Explosion

Hurricane Katrina

Bush v. Gore

Lewinsky Scandal

Tucson Shooting

Alaska Purchase

Civilization Fund Act

Indian Appropriations Act

Indian Reorganization Act

Treaty of Hopewell

Trail of Tears

Wounded Knee Massacre

Black Hawk War

Great Sioux War

Battle of the Little Bighorn

Apache Wars

Long Walk of the Navajo

Dakota War

Modoc War

Nez Perce War

American Civil War

Gettysburg Address

Battle of Fort Sumter

Lee Surrenders to Grant

Battle of Gettysburg

Japanese American Internment

Buffalo Bill’s Wild West

Gunfight at the O.K. Corral

First Transcontinental Railroad

Los Angeles

New York Stock Exchange

Indian Massacre

Hindenburg Disaster

Exxon Valdez Oil Spill

Iran–Contra Affair

American Revolutionary War

Battles of Lexington and Concord

Treaty of Paris (1783)

Siege of Yorktown

Hoover Dam

Grand Coulee Dam

Tear down this wall

Waco Siege

Elian Gonzalez Affair

Oklahoma City Bombing

Selma to Montgomery 1st March

Selma to Montgomery 2nd March

Selma to Montgomery 3rd March

Little Rock Nine

Greensboro Sit-ins

Freedom Riders

Birmingham Campaign

Voting Rights Act

Reagan Assassination Attempt

Moon Race

Police Brutality Against Rodney King

Los Angeles Riots

Murder of Nicole Simpson and Ronald Goldman

Simpson Chase

Simpson Verdict

US Airways Flight 1549

Bayonet Constitution

Annexation of Hawaii

Vietnam War Protests

Miss America Protest

Stand in the Schoolhouse Door

Murder of Emmett Till

Integration of Mississippi Universities

Lindbergh Kidnapping

Sierra Club

Bush Doctrine

Mission Accomplished Speech

Operation Eagle Claw

March Against Fear

Black Power

Black Panther Party

Nation of Islam


Jump Jim Crow

Jim Crow Laws

Montgomery Bus Boycott

End of the Montgomery Bus Boycott

Integration of the New Orleans School System

Bus Desegregation

Malcolm X Leaves the Nation

Freedom of Frederick Douglass

The Birds of America

Burr–Hamilton Duel

Dust Bowl

Bison Hunt

Stonewall Riots

Kingston Slurry Spill

United States Bill of Rights

Nylon Riots

Midnight Ride

Moscone-Milk Assassinations

Disappearance of Jimmy Hoffa

Star Spangled Banner

Tulsa Race Massacre

Death of Davy Crockett

Seminole Wars

Jonestown Mass Suicide

New York City

King Philip’s War

Pontiac’s War

Royal Proclamation of 1763


Flag Resolution of 1777

Battles of Saratoga

Washington, D.C.

Adams–Onís Treaty

Homestead Act

Impeachment of Andrew Johnson

Free Speech Movement

First Female U.S. Representative

First African-American U.S. Representative

First African-American U.S. Justice

First Female U.S. Justice

Scopes Monkey Trial

Donner Party

Valley Forge

Anthrax Attacks

Defection of Benedict Arnold

Nixon Shock

End of Selective Availability

Tea Party Movement

Conviction of Capone

Treaty of 1818

First U.S. Chief Justice

Castle Bravo

Federal Bureau of Investigation (FBI)

Central Intelligence Agency (CIA)

Smithsonian Institution

San Francisco


Sherman’s March to the Sea

Impeachment of Bill Clinton

Cuyahoga River Fire

Sedan Nuclear Test

United Farm Workers

Death of Bonnie and Clyde

Sandy Hook Elementary School Shooting

First Lady of the World

Death of Zachary Taylor

Inauguration of Millard Fillmore

Death of Lee Harvey Oswald

Seneca Falls Convention

Boston Marathon Bombings

Freedom of Harriet Tubman

National Woman Suffrage Association

Pony Express

Inauguration of Donald Trump

Donald Trump

Lakeview Gusher

Nevada Test Site

Loving v. Virginia

Last Hawaiian Monarch

Roswell UFO Incident

Great Migration (African American)

Pentagon Papers

General Anesthesia

Land Rush of 1889

Freedom Summer

Starfish Prime

Saturday Night Massacre

Battle of Hampton Roads

Piggly Wiggly

Indian Removal Act

Resignation of Spiro Agnew

Reconstruction Era

Wild West

Impeachment of Donald Trump

Act Prohibiting Importation of Slaves

Red Summer

George Floyd Protests

Juneteenth (Freedom Day)

Special Field Orders No. 15

Roanoke Colony

Longest-serving U.S. President

Inauguration of Joe Biden

Joe Biden

Storming of the United States Capitol

Second Impeachment of Donald Trump

Algerian Civil War

Sierra Leone Civil War

First Sudanese Civil War

Second Sudanese Civil War

First Liberian Civil War

Salvadoran Civil War

War in Darfur

Rwandan Civil War

Lebanese Civil War

Contra War

Spanish Civil War

Spanish Coup of July 1936

End of the Spanish Civil War

Arab Oil Embargo

Soviet Aid to Egypt and Syria

U.S. Aid to Israel

Cuban Missile Crisis

Escalation of the Vietnam War

Cuban Revolution

Berlin Wall

Fall of Berlin Wall

Berlin Blockade

Iron Curtain

United Nations

Atomic Bombing of Hiroshima

Assassination of Franz Ferdinand

Atomic Bombing of Nagasaki

World War I

Austro-Hungarian Invasion of Serbia

Armistice with Germany

World War II

Italian Campaign

Execution of Mussolini

Death of Hitler

German Invasion of Poland

Surrender of Germany

Surrender of Japan

Normandy Landings

Chernobyl Disaster

Global Financial Crisis

Premiership of Stalin

Iran Hostage Crisis

Iranian Revolution

Khomeini Returns to Iran

Haiti Earthquake

Chilean Mining Accident

Nuclear Non-Proliferation Treaty

Geneva Conventions

Operation Infinite Reach

Operation Uphold Democracy

Gulf War

Iraqi Invasion of Kuwait

Liberation of Kuwait

Berlin Discotheque Bombing

Bombing of Libya

USS Cole Bombing

September 11 Attacks

World Trade Center Bombing

Attack on Pearl Harbor

Bay of Pigs Invasion

Korean War

Start of the Korean War

Korean War Armistice

Assault on the Alamo

Texas Revolution

Battle of Gonzales

Battle of San Jacinto

Sinking of USS Maine

Spanish–American War

Republic of Cuba

Treaty of Paris (1898)


U.S. Embassy Bombings

Muhammad Cartoons Controversy

Assassination of Theo van Gogh

Riyadh Compound Bombings

Ich bin ein Berliner

Nixon Visit to China

United States Invasion of Panama

Invasion of Grenada

Beirut Barracks Bombing

Summer of Love

Capture of Saddam

Execution of Saddam

U.S. Enters WWII

Axis Declares War on U.S.

Earth Day

Cambodian Civil War

Cambodian Coup of 1970

Khmer Rouge Rule of Cambodia

Death of Bin Laden

Capture of Blackbeard

Inauguration of Nelson Mandela

Inauguration of Ellen Johnson Sirleaf

UN Withdrawal from Somalia

Rwandan Genocide

First Congo War

Second Congo War

Year of Africa

Tunisian Revolution

Beginning of Apartheid

Scramble for Africa


Ivorian crisis


Ancient Egypt

Ramesses II

Battle of Megiddo


Battle of Carchemish


Battle of Actium

Annexation of Egypt by Rome

Death of Cleopatra

Egyptian Revolution

Egyptian Revolution of 1952

Independence of Egypt


Aswan Dam

Ancient Greece

Cecrops I

Trojan War

Seeds of Democracy


Battle of Corinth

Ionian Revolt

Battle of Marathon

Battle of Thermopylae

Battle of Salamis

Battle of Plataea

Delian League

Peace of Callias

End of the Peloponnesian War

Battle of Piraeus

Aristotle Tutors Alexander

Alexander the Great

Greek Conquest of Asia Minor

Greek Conquest of Syria

Greek Conquest of Egypt

Founding of Alexandria

Greek Conquest of Mesopotamia

Greek Conquest of the Indian Subcontinent

Death of Alexander the Great

Dorian Invasion

Death of Saint Nicholas

Founding of the Roman Republic

Roman Republic

Roman Empire

Roman Kingdom

Assassination of Julius Caesar

Founding of Byzantium

Hannibal’s Crossing of the Alps

Third Servile War

Roman Capture of Jerusalem

Persian Empire

Founding of the Persian Empire

First Egyptian Satrapy

Second Egyptian Satrapy

Greek Conquest of Persia


Fall of Babylon

Dawn of Civilization

Beginning of the Hebrew Calendar

Code of Hammurabi

King Saul

Destruction of the First Temple

King Solomon

Second Temple

War in Afghanistan

Operation Enduring Freedom

Iraq War

Operation Iraqi Freedom

Libyan Revolution 1969

First Intifada

Second Intifada

Iranian Coup d’Etat

Abu Ghraib Prisoner Abuse

Syrian Civil War

Libyan Crisis

Bahraini Protests

Yemeni Protests

Jordanian Protests

Jesus Christ

Crucifixion of Christ

Birth of Muhammad


Ottoman Empire

Iran–Iraq War

End of the Iran–Iraq War

Halabja Poison Gas Attack

Iranian Election Protests

Turkish Invasion of Cyprus

British Mandate for Palestine

Independence of Jordan

Anglo-American Committee of Inquiry

Unification of Saudi Arabia

Arab Revolt

Lawrence of Arabia

Islamic Conquest of Roman Syria

Islamic Conquest of Armenia

Islamic Conquest of Egypt

Islamic conquest of Persia

Islamic conquest of North Africa

First Islamic Civil War (Fitna)

Burning of the Library of Alexandria

Destruction of the Library of Alexandria

The Exodus


Gaza War

Oslo Accords

Lebanon War 2006

Sadat’s Visit to Israel

Assassination of Sadat

Egypt–Israel Peace Treaty

Israel-Jordan Treaty of Peace

Assassination of Rabin

Independence of Israel

October War

End of the October War

Nationalization of the Suez Canal

Suez Crisis

End of the Suez Crisis

Six-Day War

Camp David Summit

Founding of Ottoman Empire

End of the Ottoman Empire

Safavid Empire

Suleiman the Magnificent

Ain Ghazal

Tell Qaramel, Syria


Libyan–Egyptian War

Chadian–Libyan Conflict

Sykes–Picot Agreement

Dawson’s Field Hijackings

Assassination of Mahatma Gandhi

Mumbai Attacks

Mughal Empire

Vijayanagara Empire

Indus Valley Civilization


First Chinese Dynasty

Imperial China

Ming Dynasty

Imperial House of Japan

Meiji Restoration

Hong Kong Handover

Arrest of Suu Kyi

People Power Revolution

Tiananmen Square Protests

Chinese Economic Reform

Exile of Dalai Lama

Chinese Civil War

Republic of China

Forbidden City

First Indochina War

Start of the First Indochina War

Partition of Vietnam

Vietnam War

Communist Insurgency in Vietnam

Fall of Saigon

Partition and Independence of India

Salt March

Philippine–American War

End of the Philippine–American War

Treaty of Manila

Tennis Court Oath

Storming of the Bastille

French First Republic

Reign of Terror

French Directory

Coup of 18 Brumaire

Elizabethan period

Coronation of Queen Victoria

Travels of Marco Polo

Death of Princess Diana

Chancellorship of Hitler

Sinking of the Titanic

Madrid Train Bombings

London Bombings


European Union

Belfast Agreement

German Reunification

First Chechen War

Falklands War

British Victory in the Falklands

Glasnost & Perestroika

Pan Am Flight 103

Carnation Revolution

Coronation of Queen Elizabeth II

The Communist Manifesto

French Second Republic

Potato Famine

Spanish Inquisition

Luddite Uprisings

Battle of Waterloo

First French Empire

French Campaign in Egypt and Syria

Battle of Marengo

French Invasion of Russia

War of the First Coalition

War of the Second Coalition

War of the Third Coalition

War of the Fourth Coalition

War of the Fifth Coalition

Escape of Napoleon from Elba

Death of Napoleon

New South Wales

European Arrival in Hawaii

Kingdom of Great Britain

British East India Company

Black Death

First Prime Minister of Great Britain

Tsardom of Russia

Russian Empire

Immensa Pastorum principis

Dutch East India Company

London Company

Coronation of Queen Elizabeth I

Austrian Empire

Unification of Italy

Age of Discovery

Coronation of Emperor Charlemagne

Holy Roman Empire

Fall of Granada

Great Fire of London

La Louisiane


Cape Route



Spanish Conquest of the Aztec Empire

Spanish Conquest of Yucatán

Spanish Conquest of the Inca Empire

Portuguese Empire

National Bankruptcy

Edict of Nantes

Fall of Constantinople

Spanish Empire

Battle of Agincourt

Siege of Orléans

Hundred Years’ War

Fourth Crusade - Latin Empire

Magna Carta

Fifth Crusade

Sixth Crusade

Mongol Empire

Seventh Crusade

Battle of Ain Jalut

Eighth Crusade

Ninth Crusade

Siege of Acre

Treaty of Ramla

Third Crusade

Coronation of Saladin

Battle of Hattin

Second Crusade

Siege of Lisbon

East–West Schism

Battle of Manzikert

First Crusade

Siege of Jerusalem

Norman Conquest of England

Lindisfarne Raid

Dublin, Ireland

Siege of Constantinople

Islamic Conquest of Hispania

First Bulgarian Empire

Deposition of Justinian II

Byzantine Iconoclasm

Second Council of Nicaea

Islamic Conquest of Central Asia

Battle of Tours

Anno Domini

Sack of Rome

Fall of Rome

Byzantine Empire


Christianity, State Religion

Battle of Edessa

Hadrian’s Wall

Siege of Jerusalem

Breach of Masada

Great Fire of Rome

Julian Laws

Pope’s Visit to Poland

Third Polish Republic

Republic of Hungary

Republic of Bulgaria

Dissolution of Czechoslovakia

Romanian Revolution

Albanian Parliamentary Election, 1992

Rebellion in Albania

Independence of Croatia and Slovenia

Independence of Macedonia

Independence of Bosnia and Herzegovina

Serbia and Montenegro

Start of the Bosnian War

Srebrenica Massacre

Bosnian War

Dayton Accords

Kosovo War

Soviet War in Afghanistan

Start of the Soviet War in Afghanistan

End of the Soviet War in Afghanistan

Russian Federation

Second Chechen War

Independence of Armenia

Independence of Azerbaijan

Independence of Belarus

Independence of Estonia

Independence of Georgia

Independence of Kazakhstan

Independence of Latvia

Independence of Lithuania

Independence of Moldova

Independence of Tajikistan

Independence of Turkmenistan

Independence of Ukraine

Independence of Uzbekistan

Baltic Chain

Warsaw Pact


Beginning of the Holocaust

Nuremberg Trials

Death of Anne Frank

National Fascist Party

Final Solution

Battle of France

Italian Invasion of Southern France

Battle of Britain

The Blitz

Battle of Midway

Siege of Leningrad

Molotov–Ribbentrop Pact

Munich Agreement

Second Italo-Ethiopian War

Second Sino-Japanese War

Commonwealth of Nations

League of Nations

Death of Alfred Nobel

Vatican City State

Battle of the Somme

Execution of the Romanov Family

Bolshevik Revolution

Soviet Union

The Great Exhibition

Holy League

Spanish Transition to Democracy

North African Campaign

Roman Conquest of Britain

Anglo-Saxon Settlement of Britain

Kingdom of Scotland

Battle of Edington

Modern Parliamentary Democracy

First War of Scottish Independence

Second War of Scottish Independence

Cape Town

English Civil War

Henry VIII Seeks Marriage Annulment

English Reformation

Battle of Gravelines

Battle of Edgehill

Battle of Worcester

Glorious Revolution

English Bill of Rights

Sydney, Australia

Shoe Bomber

Underwear Bomber

Norman Invasion of Ireland

Crown of Ireland Act

Regnans in Excelsis

Irish Confederate Wars

Irish Rebellion

Cromwellian Conquest of Ireland

United Irishmen Rebellion

United Kingdom of Great Britain and Ireland

Partition of Ireland

The Troubles

Quebec City

Seven Years’ War

Start of the Seven Years’ War

Peace of Paris

Canada Act 1982

Australia Act 1986

Beginning of the Mayan Calendar

New Baktun



Manhattan Project

Graduation of Helen Keller

First Opium War

Start of the First Opium War

Cession of Hong Kong

Second Opium War

Start of the Second Opium War

Treaties of Tientsin

People’s Republic of China

Great Leap Forward

Cultural Revolution

Death of Mao Zedong

Armenian Genocide

Black Hawk Down

Tulip Mania

RDS-1 (First Lightning)

U-2 Incident

Cedar Revolution

Libya Abandoned Nuclear and Chemical Weapon Programs

Kuwaiti Oil Fires

First Lady Perón

Death of Stalin

Congress of Vienna

Second French Empire

Crimean War

Start of the Crimean War

Treaty of Paris (1856)

The Lady with the Lamp

Julian Calendar

Protestant Reformation

Abdication of Edward VIII

Jack the Ripper

Great Chinese Famine

Four Pests Campaign

Ozone Depletion

One-child Policy

Great Plan for the Transformation of Nature

Roman Withdrawal from Britain

Africanized Bee

Zakouma Elephant Slaughter

Plague of Justinian

Martyrdom of Saint Peter

Slave Trade Act



Tehran Conference

Cairo Conference

Yalta Conference

Potsdam Conference

Great Purge

Southeast Asian Haze

Shark Finning

Industrial Revolution

Age of Enlightenment

Declaration of the Rights of Man and of the Citizen

Universal Declaration of Human Rights


Independence of South Sudan

Independence of Kosovo

Annexation of Tibet


British Empire

The Country of Canadas

Chilean Transition to Democracy

New World

Maya Civilization

Machu Picchu

Mexican-American War

Thornton Affair

End of the Mexican-American War

War of 1812

Start of the War of 1812

Treaty of Ghent

Burning of Washington

Spanish Missions in California

Atlantic Slave Trade

Barbary Pirates

Arab Agricultural Revolution

Abolition of Modern Slavery

Pocahontas Saves John Smith

Cinco de Mayo

Dum Diversas

Republic of Turkey

Emperor Trajan

Start of the Roman Empire


Operation Weserübung

Resignation of Chamberlain

Tripartite Pact

Battle of Greece

Battle of Berlin

Operation Barbarossa

Battle of Moscow

German Empire

Battle of Iwo Jima

Norway Attacks

First Barbary War

Second Barbary War

Battle of New Orleans

Britain and France Declare War on Germany

Soviet Invasion of Poland

Somersett’s Case


England Riots

Horn of Africa Famine

Liberation of Paris


Operation Hurricane

Gerboise Bleue

Project 596

Smiling Buddha

Vela Incident


North Korean Nuclear Test

European Wars of Religion

Arrest of Mandela

Release of Mandela

Battle of the Alamo

Siege of the Alamo

I came, I saw, I conquered

La Amistad Revolt

First European in North America

Destruction of Buddhas of Bamiyan

Operation Opera

Operation Orchard

Panama Canal Zone

Torrijos–Carter Treaties

Marshall Plan

Tet Offensive

My Lai Massacre


Three Sovereigns and Five Emperors

Totskoye Nuclear Tests

Comprehensive Nuclear-Test-Ban Treaty

Partial Test Ban Treaty

Outer Space Treaty

Whaling Moratorium

Coronation of Catherine the Great

Concordat of Worms

Anti-Ballistic Missile Treaty

Geneva Protocol

Biological Weapons Convention

Chemical Weapons Convention

Soviet Coup d’Etat Attempt

Dissolution of the Soviet Union

Islamic Emirate of Afghanistan

Toppling of Taliban

March on Versailles

Execution of Che Guevara

Bretton Woods System

Universal Postal Union

Battle of Karbala

Occupy Wall Street

Death of Gaddafi

End of the Iraq War

First Battle of Ypres

Invasion of Tibet

Black Monday

Prime Meridian

Coordinated Universal Time

Same-sex Marriage

Quebec Referendum

Tsar Bomba

Post–World War II Baby Boom

Animal Rights

Collectivization in the Soviet Union

Emancipation Reform of 1861

Transatlantic Telegraph Cable

Kristallnacht (Night of Broken Glass)

Battle of the Bulge

Crisis of the Third Century

First Sino-Japanese War

Eureka Rebellion

First Female Prime Minister

Indo-Pakistani War of 1947

Indo-Pakistani War of 1965

Indo-Pakistani War of 1971

Generations Since Christ

Great Smog

Generations Since William I

Han Dynasty

Silk Road

Greatest Extent of the Roman Empire

Dismissal of Mussolini

Operation Achse

Death of Lenin

Dirty War

Nanking Massacre

Premiership of Thatcher

Death of Kim Jong-il

Antarctic Treaty System

Division of Korea

French Mandate of Syria and Lebanon

Syrian Corrective Revolution

Black September

Dismantlement of South Africa’s Nuclear Weapons


Treaty of San Francisco

Panama Canal Handover

Division of Germany

Grimaldi’s Monaco

Texas Oil Boom

Saudi Arabian Petroleum

The Great Game

Generations Since Muhammad

Russo-Japanese War

Victoria Falls

Costa Concordia Disaster

Bangladesh Liberation War

Last Japanese Holdout

Arab Spring

City of Light

Introduction of Rabbits to Australia

V-2 Rocket

Nagorno-Karabakh War

Circassian Genocide

Yemeni Transition

Rio de Janeiro, Brazil

Independence of Brazil

Spanish American Wars of Independence

Mexican Revolution

Pancho Villa Expedition

Kidnapping of Aldo Moro

Khmer Empire

Stamp Act

Sighting of New Zealand

War of the Pacific

Kingdom of Greece

Classic Maya Collapse

Angolan Civil War

Malian Coup 2012

Mali Empire

Ethiopian Empire

Ethiopian Coup

Death of the Red Baron

Boxer Rebellion

Australian Frontier Wars

Stolen Generations

Australian Federal Parliament Apology

Truth and Reconciliation Commission (South Africa)

First Italo-Ethiopian War

Expedition of the Thousand



War of the Austrian Succession

Travels of Ibn Battuta

War of the Spanish Succession


English Restoration

Taiping Rebellion

Treaty of Trianon

Treaty of Saint-Germain-en-Laye (1919)

Treaty of Versailles

Maratha Empire

Treaty of Tordesillas

Roman Question

Oregon Treaty


Vlad Dracula

Dutch–Portuguese War

Canadian Confederation

Arab-Israeli War of 1948

Palestinian Exodus

New Holland


Swan River Colony

Commonwealth of Australia


Women’s Suffrage in the UK

Second French Revolution

Slavery Abolition Act 1833

Gran Sasso Raid

Chinchorro Mummies

Klondike Gold Rush

South African Wars

New Imperialism

French Conquest of Algeria

Lebanon War 1982

Anglo-Zulu War

Gadsden Purchase

Anti-Islam Film Protests

Spring of Nations


Premiership of Lee Kuan Yew

Destruction of the Parthenon

Soviet Nuclear False Alarm Incident

Able Archer 83

Norwegian Rocket Incident

Assassination of King Abdullah I

Indonesian Killings of 1965–1966

French Third Republic

Appeal of 18 June

Vichy France

French Fourth Republic

May 1958 Crisis

French Fifth Republic

Assassination Attempt of Malala Yousafzai

Warsaw Ghetto

Warsaw Ghetto Uprising

Sri Lankan Civil War

State of Vietnam Referendum

Argentine Coup d’Etat (1976)

Argentine General Election, 1983

Brazilian Coup d’Etat (1964)

Assassination of Indira Gandhi

Roman Inquisition

Portuguese Inquisition


Operation Pillar of Defense

Assassination of Caligula

Voyage of Hanno

Independence of Kyrgyzstan

Premiership of Churchill

Chancellorship of Bismarck

Congo Free State

Sale of Suez Canal Shares

British Egypt

Herero and Namaqua Genocide

French Conquest of Morocco

Lord’s Resistance Army

Orient Express

Crossing the Rubicon

Caesar’s Civil War

King of the English

Germanic Iron Age

Viking Age

El Libertador

Bolivarian Republic of Venezuela


In Aménas Hostage Crisis

Chinese Air Pollution

Great Turkish War

Grand Mosque Seizure

Pakistan Declaration

Crossing of the Andes

Draft-card Burning

Wars of the Roses

Dissolution of the Warsaw Pact

Mesopotamian Marshes Disaster

Lost Decade (Japan)

Somali Civil War

Birth of Krishna

Siege of Baghdad (1258)

Inauguration of Benazir Bhutto

Assassination of Benazir Bhutto

Coronation of King George VI

Kyoto Protocol

Resignation of Pope Benedict XVI

Egypt Eyalet

Muhammad Ali of Egypt

Balkan Wars


Pope Francis

South Lebanon Conflict


Donation of Pepin

Benghazi Attack

Qing Dynasty

Arctic Expedition

Constitution of May 3, 1791

Ugandan Coup d’Etat 1971

Coronation of George III

Kingdom of Prussia

Golden Law

Inca Empire

Aztec Empire

Columbian Exchange

Yemeni Unification

Civil War in Yemen (1994)

Treasure Voyages

Year of the Four Emperors

Gunpowder Plot

War of the Sixth Coalition

Night of the Long Knives

Egyptian Coup d’Etat

Ethiopian Constitution of 1931

Baltic Offensive

Economic Liberalization in India

Hundred Days Offensive

8888 Uprising

Atlantic Charter

Byzantine–Bulgarian Wars

Greco-Turkish War (1919–22)

Minoan Civilization


Montreal Protocol

Westgate Shopping Mall Shooting

Siege of Vienna

Edict of Milan

Northern Crusades

Death of Nelson Mandela

Eastern Polynesia

Cambodian–Vietnamese War

Frankish Consolidation

Ukrainian Revolution 2014

Crimean crisis

Cosmic Calendar: 4 Seconds Ago

Cosmic Calendar: 5 Seconds Ago

Chipko Movement

Introduction of the Cane Toad in Australia

European Arrival in Easter Island

Entente Cordiale

United States’ Economic Lead

Thai Coup d’Etat

Operation Protective Edge

Manchu Queue

Coronation of Krishnadevaraya

Islamic State

West Africa Ebola Outbreak

Malaysia Airlines Flight 17

Women’s Suffrage in New Zealand

Scottish Independence Referendum

Charlie Hebdo Shooting

Coronation of Bayinnaung

Military Intervention in Yemen

November 2015 Paris Attacks

Paris Agreement

Swiss Guard

Haitian Revolution

The Great Hunt

Brexit Referendum

Generations Since Confucius

Marriage of Ferdinand and Isabella

Italian Language

English Language

Spanish Language

Latin Language

Greek Language

French Language

Chinese Language

Hindi Language

Punic Wars

Federal Act on Banks and Savings Banks

14th Dalai Lama

Oldest Gold Treasure

Benin Empire


Indian Indenture System

Epic of Gilgamesh

Impeachment of Park Geun-hye

Great Trek

Three Kingdoms

Green Great Wall

North Atlantic Garbage Patch

Great Pacific Garbage Patch

Indian Ocean Garbage Patch

Women’s Day

Coral Bleaching

Climate Change

Renaissance Humanism

International Criminal Court



Death Marches

Overexploitation of Aquifers

Death of Attila

Semipalatinsk Test Site

Totskoye Nuclear Exercise

Venetian Arsenal

Saudi Arabia Lifts Women’s Driving Ban

Treaty on the Prohibition of Nuclear Weapons

Opium Trade

Greek Civil War


Catalan Declaration of Independence

Emu War

Zimbabwean Coup d’Etat

Rohingya Persecution in Myanmar

Me Too (hashtag)


Pueblo Revolt

Horse Culture of Plains Indians

Gulf of Tonkin Incident

First-Wave Feminism

Second-Wave Feminism

Third-Wave Feminism

Fourth-Wave Feminism

Mutiny on the Bounty

St. Augustine, Florida

Island of California

New France

New Spain

Viceroyalty of Peru

Venezuela’s Oil Lead

Day of Rest





Etruscan Civilization


End of the Papal States

Italian Unification

New Rush

Reichstag Fire

Enabling Act of 1933

Old Kingdom of Egypt

Middle Kingdom of Egypt

New Kingdom of Egypt

Rainbow Flag

South Sudanese Civil War

Pax Romana

Year of the Five Emperors

Death of Marcus Aurelius

Ancient Carthage

Spice Trade

Age of Sail

Age of Oil

European Discovery of the Pacific Ocean

Age of Discovery

Native American Epidemics

Ussher Chronology

Chemical Warfare

Suez Crisis

October War

Falklands War

Philippine–American War

Spanish–American War

February Revolution

American Indian Wars

Seven Years’ War

Battle of Castillon

Muslim Conquests in the Indian Subcontinent

Third Anglo-Maratha War

Relocation of Abu Simbel Temples

Cold War

Anglo-Norman Language

Archaic Greece

Classical Greece

Hellenistic Greece

Arabic Language

Greco-Persian Wars

Flag of Europe

West Berlin

Norwegian Heavy Water Sabotage

Nuremberg Laws

Nazi Book Burnings

Peloponnesian War

Ptolemaic Egypt

Roman Calendar

Roman Republican Calendar

Jewish–Roman Wars

Jewish–Babylonian War

United Nations Partition Plan for Palestine

Nazi Party

Il Duce

Liberation of Auschwitz

Liberators’ Civil War

Final War of the Roman Republic

Founding of Modern Singapore

Settlement of Iceland

German Revolution

Nazi Concentration Camps

Nazi Propaganda

Pizza Margherita


School Strike for Climate


Smile Revolution

First Presidency of Santa Anna

Sudanese Coup d’Etat

Doolittle Raid

Melting of Greenland’s Ice Sheet

Kievan Rus’

Operation Paperclip

Vlad Dracula

Bombing of Guernica

Assassination of Marat


Ice Cream

Bolivian Protests

St. Brice’s Day Massacre



Iran–Iraq War

Decian Persecution


Sengoku Period


Execution of Mary, Queen of Scots

Yekatit 12

Coronavirus Pandemic

Yellow Badge

Women’s Suffrage

Operation Aerial

Great Northern War

Mexico City

Malian Coup 2020

New Albion

Ottoman Wars in Europe

Roman–Greek Wars

Roman–Gallic Wars

Roman–Persian Wars

2020 Nagorno-Karabakh Conflict

Belt and Road Initiative

Greatest Extent of the British Empire

Artemis Accords

Assassination of Jovenel Moïse

Withdrawal of United States Troops from Afghanistan

Art & Architecture



Future Projections

Natural History

Science & Technology


U.S. History

World History