During the Revolutionary War, American troops captured Montreal under the command of Continental Army Gen. Richard Montgomery.

1971

The U.S. space probe Mariner 9 went into orbit around Mars, becoming the first spacecraft to orbit another planet.

1982

The Vietnam Veterans Memorial was dedicated on the National Mall in Washington, D.C.

2015

Islamic State militants carried out a set of coordinated attacks in Paris killing 130 people in the worst attack on French soil since World War II.