Every Chronicle article on world history, newest first: battles, empires, disasters, discoveries and revolutions.
Floods covered roughly 180,000 square kilometres, affected tens of millions of people and caused somewhere between about 150,000 and 2 million or more deaths from drowning, famine and disease.
Nearly 1,000 Black pilots were trained at Tuskegee; their combat record helped pave the way for the desegregation of the US armed forces in 1948.
Britain publicly backed a Jewish national home in Palestine; the pledge was later written into the League of Nations Mandate for Palestine.
Korea signed its first modern treaty, opening ports to Japanese trade on unequal terms and beginning its forced entry into the international system.
Liberal victory; Juárez's government returned to Mexico City in January 1861 and the separation of Church and state became law, though the conflict left Mexico deeply indebted.
Maxwell's theory unified electricity, magnetism and light and predicted electromagnetic waves, confirmed by Heinrich Hertz in 1887–1888.
Around 15-18 people were killed and hundreds injured; the government backed the magistrates and passed the repressive Six Acts.
The best-preserved of the few surviving Maya books, it became the key to understanding the Maya calendar, astronomy and writing.
Amda Seyon defeated Ifat and its allies, making the Muslim states of the region tributaries of the Christian Ethiopian kingdom.
The Mongols withdrew from Delhi after a costly battle in which the Delhi general Zafar Khan was killed.
The scroll survived in a sealed cave for about 900 years and is now recognised as the earliest complete printed book bearing a date.
A great congregational mosque in Samarra style was completed in 879; it survived the destruction of al-Qata'i in 905 and was restored by the Mamluks in 1296.
