Emperor Frederick Barbarossa hurtles prisoners, including children, at the Italian city of Crema, forcing its surrender.
The Mongols take over Vladimir, Russia.
The U.S. Supreme Court rules that union-sponsored boycotts are illegal, and applies the Sherman Antitrust Act to labor as well as capital.
New U.S. football rules are set: field shortened to 100 yds.; touchdown counts six points instead of five; four downs are allowed instead of three; and the kickoff is moved from midfield to the 40 yd. line.
A German submarine sinks the U.S. liner Housatonic off coast of Sicily. The United States severs diplomatic relations with Germany.
President Calvin Coolidge signs a bill creating the Federal Radio Commission to regulate the airwaves.
The month-long Battle of Manila begins.
President John F. Kennedy bans all trade with Cuba.