On Jan. 14, 1784, the United States ratified the Treaty of Paris ending the Revolutionary War. Britain followed suit in April.

In 1943, U.S. President Franklin D. Roosevelt, British Prime Minister Winston Churchill and French Gen. Charles de Gaulle opened a wartime conference in Casablanca, Morocco.

In 1952, NBC’s “Today” show premiered, with Dave Garroway as host.

In 1967, the “Summer of Love” unofficially began with a “Human Be-In” involving tens of thousands of young people in San Francisco.

In 1970, Diana Ross and the Supremes performed their last concert together.

In 2013, cyclist Lance Armstrong ended a decade of denial by confessing to Oprah Winfrey that he’d used performance- enhancing drugs to win the Tour de France seven consecutive times.