0883 Albumasar, [Ahmad Aboe M Gafar al-Balkhi], Arabic astronomer, dies on this day in history.
1126 On this day in history death of urraca of Castile (b. 1082)
1144 Celestine II, [Guido], Italian Pope (1143-44), dies in battle on this day in history.
1202 On this day in history death of sverre of Norway
1223 Death of Wincenty Kadłubek, Polish chronicler (b. 1161) on this day in history.
1403 On this day in history bajezid I Jildirim, 4th sultan of Turkey (1389-1403), dies at 42
1466 On this day in history francesco Sforza, Italian condottiere/duke of Milan, dies at 64
1550 On this day in history juan de Dios, Port/Sp saint (Brothers of Mercy), dies at 55