Decades: 1190s 1200s 1210s 1220s 1230s - 1240s - 1250s 1260s 1270s 1280s 1290s
Years: 1236 1237 1238 1239 1240 - 1241 - 1242 1243 1244 1245 1246
Mongols of Golden Horde defeat feudal nobility including Knights Templar in the battle of Liegnitz
September 23 - Snorri Sturluson, Icelandic historian, poet and politician
Aragon - James I King of Aragon and count of Barcelona (reigned from 1213 to 1276)
Castile - Ferdinand III, the Saint King of Castile and Leon (reigned from 1217 to 1252)\n
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