Cast:
King Henry II
Henry the Young King (junior king, no roman numerals for 'im.)
Thomas a Becket, born 1118. Cheapside, London. Fast-tracked.

Soon after his coronation, 14th June 1170, Henry the Young King was excommunicated by #ThomasABecket, Archbishop of Canterbury.

Going back to ~1139, Thomas started as an accountant, impressed many, went to Europe and became a cleric, impressed more, made archdeacon of Canterbury in 1154.
And then months later #ChancellorOfEngland