1899 — John McGraw made his managerial debut at age 26 with the Orioles. He led them to a 5-3 victory over the New York Giants, a team he later managed for more than 30 years.

1957 — A power failure stops a major league game for the first time in history. The night game between the Baltimore Orioles and Washington Senators at Griffith Stadium is halted after five innings.