On July 23, 1925, Lou Gehrig belts a grand slam – the first of his major league record 23 grand slams. Gehrig’s slam proves the difference in the New York Yankees’ 11-7 win over the Washington Senators.
Richie Allen of the Philadelphia Phillies hits the first regular season home run in the history of the Astrodome
April 12, 1965
April 29, 1953
Frank Robinson of the Baltimore Orioles becomes the first player to hit a home run completely out of Memorial Stadium.
May 8, 1966