历史卡片
按时间浏览已经收录的事件。每张卡片都包含年代、背景、图片和来源，后续可以继续扩展成搜索、地图、时间轴和专题。
古代与古典世界
吉萨大金字塔
这座法老陵墓，后来成了人类最持久的纪念建筑之一。
汉谟拉比法典
巴比伦国王把法律刻上石碑，让规则变得看得见。
罗马建城
一座传说中的城市，后来改写了地中海世界的历史。
佛陀的一生
悉达多·乔达摩的教导，后来成为影响深远的世界宗教。
亚历山大抵达印度
马其顿军队一路东进，把希腊影响带到亚洲深处。
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.
中世纪与跨洲连接
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.
近代早期
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.
现代世界
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.