1845
Alexander J. Cartwright creates a set of official rules for baseball. He also creates the New York Knickerbockers Base Ball Club.
1884
Seventeen-year-old John A. “Bud” Hillerich invents the most popular baseball bat, the Louisville Slugger.
1903
The Boston Pilgrims win the first official baseball World Series against the Pittsburgh Pirates.
1935
Babe Ruth, who is considered to be the best baseball player in history, retires with 714 home runs.