It happenned on a… 21 December

2012
“Gangnam Style” by Psy becomes the first video to reach one billion views on YouTube.
1990
Montreal Machine football team play first CFL game.
1988
270 people were killed when Pan Am Boeing 747 exploded over Lockerbie, Scotland, due to a terrorist attack.
1968
David Crosby, Stephen Stills and Graham Nash (Crosby, Stills & Nash) premiere together in California.
1958
Charles de Gaulle was elected to a seven-year term as the first president of the Fifth Republic of France.
1937
Walt Disney debuted the first, full-length, animated feature in Hollywood, CA. The movie was “Snow White and the Seven Dwarfs.”
1934
French film “Zouzou” premieres in Paris, starring Josephine Baker; 1st black woman to star in a major motion picture
1898
French Scientists Pierre and Marie Curie discover radium.
1879
Ibsen’s “A Doll’s House” was first performed in Copenhagen, Denmark, with a revised happy ending.