Baseball History on June 1 from Baseball Almanac
The BaseballAlmanac.com site brings us a bunch of items including:
1917 - Hank Gowdy is the first major-league player to enlist during World War I when he signs up in the Ohio National Guard.
1941 - Mel Ott's two-run homer, the 400th of his career provide win for NY Giants.
1943 - Rip Sewell of the Pirates throws his dew-drop ball in a game, lobbing his way to a 20 win season.
These an more await.