Mexican criminal Joaquín Guzmán, who was head of the Sinaloa drug cartel, escaped from prison, using a lengthy underground tunnel; a massive manhunt followed, and he was captured again some six months later. 2015. 

American author Harper Lee‘s To Kill a Mockingbird was published and became a classic, noted for its sensitive treatment of a child’s awakening to racism and prejudice in the South. 1960. 

The U.S. Air Force Academy officially opened at temporary quarters at Lowry Air Force Base in Denver, Colorado. 1955. 

George Herman (“Babe”) Ruth played in his first major league baseball game, for the Boston Red Sox. 1914.