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Centuries: 12th century - 13th century - 14th century Decades: 1200s 1210s 1220s 1230s 1240s - 1250s - 1260s 1270s 1280s 1290s 1300s Years: 1249 1250 1251 1252 1253 - 1254 - 1255 1256 1257 1258 1259 Events December 2 - Manfred of Sicily defeats army of Pope Innocent IV at Foggia[?]. Theodore II Lascaris succeeds John III Ducas Vatatzes as Byzantine emperor. Byzantines[?] defeat Bulgarians at Adrianople[?]. Alkmaar granted city rights. Births Marco Polo, Venetian merchant and explorer Deaths May 20 - Conrad IV of Germany December 7 - Pope Innocent IV John III Ducas Vatatzes, Eastern emperor
Decades: 1200s 1210s 1220s 1230s 1240s - 1250s - 1260s 1270s 1280s 1290s 1300s
Years: 1249 1250 1251 1252 1253 - 1254 - 1255 1256 1257 1258 1259
Births
Deaths