History
1227
General
Population: 409 Million*
- Astronomy: Halley's Comet
- Religion: Death of Pope Honorius III – Pope Gregory IX (Ugolino dei Conti di Segni Anagni) to 1231
- Deaths: Genghis Khan by fall from horse, Pope Honorius III
Asia
- Japan: Japanese potter Toshiro returns from China and starts porcelain manufacturing
- Mongolia: Death of Genghis Khan – empire divided among three sons
Europe
- General: End of Anglo-French war
End of Wars of Scandanavia with 25,000 dead
- England: Henry III begins personal rule in England
- German States: Teutonic Knights begin crusading against pagan Prussians
- Ireland: Famine
- Spanish States: Building of Toledo Cathedral begins