History
1245
General
Population: 415 Million*
- Religion: Innocent IV calls the Synod of Lyon which declares Frederick II deposed
Pope sends Friar John of Pian del Carpine to explore Mongolia (returns 1249)
- Deaths: English philosopher Alexander of Hales
Asia
- Mongolia: Pope sends Friar John of Pian del Carpine to explore Mongolia (returns 1249)
Europe
- England: Choir and cloisters of Westminster Abbey in London built
- Holy Roman Empire: Frederick II declared deposed by Council of Lyons