Mar 06 Saint Rose of Viterbo, Italian saint (b. 1235) died in the year 1252.
Apr 06 Peter of Verona, [Peter Martyr], Italian inquisitor/st, dies at 45 on this day in history.
May 30 Ferdinand III the holy, King of Castile/Leon, dies on this day in history.
Jun 29 King Abel of Denmark (b. 1218) died in the year 1252.
Nov 26 In the year 1252 death of blanche of Castile, Queen of Louis VIII of France (b. 1188)