Collapse of the Akkadian Empire: Drought and the Gutians
The Akkadian state shrank to a small kingdom and disappeared; southern Mesopotamia fragmented until the Third Dynasty of Ur reunited it c. 2112 BC.
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The Akkadian state shrank to a small kingdom and disappeared; southern Mesopotamia fragmented until the Third Dynasty of Ur reunited it c. 2112 BC.
Recognised as one of the few places where agriculture developed independently; inscribed as a UNESCO World Heritage Site in 2008.
Excavated in 1983–1991, the site revealed early monumental sculpture and T-shaped pillars before it was submerged by the Atatürk Dam reservoir in 1992.
The sites showed that modern humans lived on the East European Plain by about 45,000-42,000 years ago and later built large mammoth-bone structures there.
Homo erectus became the first hominin known to spread widely across Africa and Asia and survived for more than 1.5 million years before its extinction.
Smilodon became one of the top predators of the Americas before dying out at the end of the last Ice Age, around 10,000 years ago.
A Canadian rock belt whose age and possible microfossils remain among the most debated claims for Earth's earliest life.
About 3.3 square miles of the city burned, some 300 people died and around 100,000 were left homeless; Chicago was rapidly rebuilt.
About 338,000 Allied troops were evacuated to Britain, but the British Expeditionary Force lost almost all its heavy equipment.
Ottoman victory; the Allies failed to force the Dardanelles and evacuated the peninsula by 9 January 1916.
Decisive Voortrekker victory; the Zulu army suffered heavy losses and Dingane's power began to collapse.
Decisive American victory; the British assault failed with about 2,000 casualties and the expedition withdrew.