A few random events...
May 11, 973 - King Edgar was crowned at Bath Abbey. The service, which was written by the Archbishop of Canterbury St. Dunstan, forms the basis of the current coronation service.
May 11, 1310 - 54 members of the Knights Templar are burned at the stake as heretics in France.
May 11, 1942 - Go Down, Moses, a collection of short stories by William Faulkner, is published.