Baseball
Opening of the Baseball Hall of Fame
On June 12, 1939, the Baseball Hall of Fame opened in Cooperstown, New York.
First Game of Negro National League Baseball
On May 2, 1920, the first game of the Negro National Baseball League was played in Indianapolis, Indiana.
Opening of Original Yankee Stadium
On April 18, 1923, the Yankees played their first game in “The House that Ruth Built.”