May 21 In the year 1254 koenraad IV, RC-German king (1237-54), dies at 26
Nov 03 Johannes III Doukas Vatatzes, Byzantine Emperor (1222-54)/saint, dies in the year 1254.
Dec 07 On this day in history innocent IV, [Sinibaldo dei Fieschi], Pope (1243-54), dies
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