History archive
Important people, places, and moments are collected as readable, sortable, source-backed history cards. The home puzzle draws from this library, so every new card makes the challenge richer.
Archive coverage
History cards
Browse the collected events by time. Each card includes a period, background, image, and source, ready to grow into search, maps, timelines, and curated collections.
Ancient and Classical Worlds
Great Pyramid of Giza
A royal tomb became one of history's most durable monuments.
Code of Hammurabi
A Babylonian king carved one of the earliest legal codes in stone.
Founding of Rome
A legendary city began a story that later shaped the Mediterranean.
Life of the Buddha
The teachings of Siddhartha Gautama began a major world religion.
Alexander Reaches India
Macedonian armies pushed Greek influence deep into Asia.
Qin Unifies China
Warring states were joined under China's first emperor.
Caesar Crosses the Rubicon
A general crossed a river and forced Rome into civil war.
Constantinople Founded
A new imperial capital rose where Europe and Asia meet.
Medieval and Connected Worlds
The Hijra
Muhammad's migration to Medina became year one of the Islamic calendar.
Charlemagne Crowned Emperor
A Frankish king revived the imperial title in western Europe.
Magna Carta Sealed
English barons forced limits onto royal power.
Sack of Baghdad
Mongol armies shattered a major center of Abbasid power.
Mansa Musa's Hajj
A West African ruler displayed Mali's wealth on the road to Mecca.
Black Death in Europe
A pandemic transformed societies across Europe, Asia, and North Africa.
Zheng He's First Voyage
Huge Ming fleets sailed through Southeast Asia and the Indian Ocean.
Fall of Constantinople
The Ottomans captured the city that had anchored Byzantium.
Early Modern World
The Prince Written
Machiavelli described power without much sentiment.
Luther's Ninety-Five Theses
A religious dispute helped fracture western Christianity.
Galileo's Trial
Astronomy collided with church authority.
Peace of Westphalia
A settlement helped end the Thirty Years' War.
Newton Publishes Principia
A mathematical book changed how motion and gravity were understood.
American Declaration of Independence
Thirteen colonies announced a break from Britain.
French Revolution Begins
A crisis in France became a revolution with global echoes.
Modern World
Haiti Declares Independence
An enslaved people's revolt became an independent state.
Meiji Restoration
Japan reorganized imperial rule and rapidly modernized.
Suez Canal Opens
A canal shortened the sea route between Europe and Asia.
Telephone Patent
Voice communication began moving through wires.
First Powered Flight
The Wright brothers made controlled powered flight real.
Russian Revolution
Imperial Russia collapsed and a communist state emerged.
United Nations Charter
A new institution tried to organize peace after world war.
Sputnik Launch
The first artificial satellite intensified the space race.