Two Williams die on this day in history… one was known as the Greatest Knight even in his own lifetime… the death of the other was a trigger for the Harrying of the North.
1080 – William Walcher, Bishop of Durham https://en.wikipedia.org/wiki/William_Walcher
1219 – William Marshal, 1st Earl of Pembroke, English soldier and politician (b. 1147) https://en.wikipedia.org/wiki/William_Marshal,_1st_Earl_of_Pembroke