History
1258
General
Population: 419 Million*
- Religion: Flagellation begins to try and prevent plagues
- Deaths: Al-Musta'sim killed by Hulagu Khan who has him wrapped in a rug and trampled to death
Asia
- General: End of major Mongol Empire
- Korea: Korea becomes Mongol vassal state
Europe
- England: Salisbury Cathedral completed
Establishment of parliament (Provisions of Oxford) as Barons under Simon de Montfort compel Henry III (brother-in-law) to accept reforms
- Holy Roman Empire: Manifred, illegitimate son of Frederick II crowned King of Sicily at Palermo
Middle East
- Iraq: Mongols take Baghdad and overthrow Abbasid caliphate