The secret police force of Nazi Germany, The Gestapo, is established.

Anzac Day is first celebrated to commemorate the anniversary of the landing at Anzac Cove.

Eight US soldiers are killed in Operation Eagle Claw as they attempt to end the Iran hostage crisis.

The Battle of Clontarf takes place in which Brian Boru defeats the Viking invaders.

Earth Day is celebrated for the first time.

The 1964–1965 New York World Fair opens for second season.

A national holiday is held in Nazi Germany to celebrate Adolf Hitler’s 50th birthday.

Marie Antoinette marries Louis XVI of France.

An earthquake followed by a fire destroy most of San Francisco, California.

Daffy Duck’s first appears in Porkys Duck Hunt