Decades: 1200s 1210s 1220s 1230s 1240s - 1250s - 1260s 1270s 1280s 1290s 1300s
Years: 1248 1249 1250 1251 1252 - 1253 - 1254 1255 1256 1257 1258
Births
Deaths
... explorer Bjarni Herjulfsson[?] - Viking discoverer of North America Thor Heyerdahl, (1914-2002), Norwegian explorer Henry Hudson, (died 1570), discovered the Hudson ...