History
1240
General
Population: 413 Million*
- Entertainment: Italian poet Guido Guinizelli establishes school of poetry
- Technology: Water-powered sawmills come into use in Europe
- Deaths: Llywelyn Fawr of Wales
Africa
- Ghana: (See also Mali) Ghana overrun by Mali people ending native Soninke rule - end of Empire of Ghana
- Mali: Sundiata Keita (Mandingo) founds Mali Empire
Asia
Europe
- General: Russian Alexander Nevsky defeats Swedes at great battle on Neva river
order fixed between England and Scotland
- England: Roger Bacon returns to England from Paris
- France: Chartres Cathedral rebuilt
- Russia: End of Mongolian conquest of Russia - Mongols destroy Kiev and capture Moscow, Russia defeats Swedes
- Volga Region: End of independence of Trubczewsk in the Volga until 1378
- Wales: Dafydd ap Llywelyn named Prince of Snowdon
Middle East