What day of the week was March 15, 1311?

The day of the week March 15th, 1311 fell on was a Sunday.

Walter V the Count of Brienne (b. 1275) died on this day in 1311.

Battle of Halmyros: The Catalan Company defeats Walter V of Brienne to take control of the Duchy of Athens the a Crusader state in Greece.