History
1270
General
Population: 423 Million*
- Crusades: End of main crusades (eighth?) with 10,000 dead
- Entertainment: Roger Bacon writes
- Religion: St. Thomas Aquinas writes Summa theological
- Technology: First use of firearms (China)
Invention of the mechanical clock
- Deaths: (Saint) Louis IX of France of plague on crusade, Bela IV of Hungary, Tannhauser the German poet and minnesinger
Africa
- End of French Crusades in N Africa
- Ethiopia: Yekunà Amlak becomes emperor of Ethiopia to 1285
Europe
- France: Death of Louis IX the Saint of France on Seventh Crusade
Louis succeeded by Philip III the Bold to 1285 - Champagne region under French rule due to marriage
- Hungary: Death of Bela IV and rule of Stephen V
Middle East