What day of the week was May 31, 1916?

The day of the week May 31st, 1916 fell on was a Wednesday.

World War I: Battle of Jutland The British Grand Fleet under the command of John Jellicoe the 1st Earl Jellicoe and David Beatty, 1st Earl Beatty engage the Imperial German Navy under the command of Reinhard Scheer and Franz von Hipper in the largest naval battle of the war, which proves indecisive.