- Apr 1 Go-Saga, 88th Emperor of Japan (1242-46), (d. 1272)
Alexander Nevsky (1220-1263)
May 30 Prince of Novgorod and Grand Prince of Vladimir, considered the key figure in medieval Rus (1252-63), born in Pereslavl-Zalessky, Vladimir-Suzdal (now Russia)
- Nov 11 Alphonse of Toulouse, son of Louis VIII of France, born in Poissy, France (d. 1271)
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