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 On this day in history celestine II, [Guido], Italian Pope (1143-44), dies in battle 

1202 Death of Sverre of Norway on this day in history. 

1223 On this day in history death of wincenty Kadłubek, Polish chronicler (b. 1161) 

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 
