Isabella of England, Holy Roman Empress (b. 1214)
Isabella of England (1214 – 1 December 1241) was a princess of the House of Plantagenet and Holy Roman Empress and Queen of Sicily and Germany from 1235 until her death as the third wife of Emperor Frederick II.
1241Dec, 1
Isabella of England
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Events on 1241
- 18Mar
Battle of Chmielnik
First Mongol invasion of Poland: Mongols overwhelm Polish armies in Kraków in the Battle of Chmielnik and plunder the city. - 11Apr
Battle of Mohi
Batu Khan defeats Béla IV of Hungary at the Battle of Mohi.