May 21 On this day in history koenraad IV, RC-German king (1237-54), dies at 26
Nov 03 In the year 1254 johannes III Doukas Vatatzes, Byzantine Emperor (1222-54)/saint, dies
Dec 07 Innocent IV, [Sinibaldo dei Fieschi], Pope (1243-54), dies on this day in history.
May 13 Maria of Brabant, queen of France (d. 1321) was born on this day in history.
Sep 15 On this day in history birth of marco Polo, Italian explorer (d. 1324)
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Important Dates And Events In History - Hisdates.Com