1144 On this day in history petronella, wife of earl Floris II the Vette of Holland/regent, dies 

1153 On this day in history david I, King of Scotland, dies 

1351 Death of Abu al-Hasan 'Ali, Sultan of Morocco (b. circa 1297) on this day in history. 

1408 Death of Taejo of Joseon, ruler of Korea (b. 1335) on this day in history. 

1425 On this day in history death of murdoch Stewart, 2nd Duke of Albany, Scottish politician (b. 1362) 

1456 Death of Ambroise de Loré, French military commander (b. 1396) on this day in history. 

1543 Nicolas Copernicus, astronomer, dies in Poland on this day in history. 

1612 Robert Cecil, 1st Earl of Salisbury/PM (1598-1612), dies at 48 on this day in history. 
