It happened on a… March 21

Facebook's Mark Zuckerberg admits they “made mistakes” after data on 50 million users is harvested by Cambridge Analytica.

Steven Spielberg won his first Oscars. They were for best picture and best director for “Schindler's List.”

Wayne Gretzky tied Gordie Howe's NHL record of 801 goals.

Part of Central Park is named Strawberry Fields honoring John Lennon.

U.S. President Jimmy Carter announced to the U.S. Olympic Team that they would not participate in the 1980 Summer Games in Moscow as a boycott against Soviet intervention in Afghanistan.

Alcatraz Island, the federal penitentiary in San Francisco Bay, CA, closed.

The Beatles' first appearance at the Cavern Club in Liverpool.

An earthquake hit Tokyo killing about 107,000.

The saxophone is patented by Adolphe Sax in Paris, France.