0644 Death of Omar I, 2nd kalief of Islam, murdered on this day in history. 

0899 On this day in history arnulf of Carinthia, last emperor of Austria-France, dies 

1292 On this day in history john Peckham, English archbishop of Canterbury, dies at 62 

1587 On this day in history death of mary, Queen of Scots (1560-1587), executed 

1596 On this day in history death of luis de Carabajal, 1st Jewish author in America, executed in Mexico 

1626 Death of John Davies, English poet (b. 1569) on this day in history. 

1632 On this day in history death of philippe van Lansberge, Flemish astronomer (b. 1561) 

1643 John Pym, English House of Commons member, dies at about 59 on this day in history. 
