The Chrysler wildcat strike begins in Detroit, Michigan.

The New Zealand Labour Party was founded in Wellington.

Malawi declares its independence from the United Kingdom.

Micheline Bernardini models the first modern bikini at a swimming pool in Paris.

Slavery is abolished in the State of New York.

American Civil War: The final day of the Battle of Gettysburg culminates with Pickett’s Charge.

Thomas Savery patents the first steam engine.

Sony introduces the Walkman.