What happend on 21st February

20.02
22.02
1952

Language Martyrs' Day, marking language-revolution in the then East Pakistan (currently, the independent state of People's Republic of Bangladesh)

1948

NASCAR is incorporated.

1947

In New York City Edwin Land demonstrates the first "instant camera", the Polaroid Land Camera, to a meeting of the Optical Society of America.

1937

Initial flight of the first successful flying car, Waldo Waterman's Arrowbile; League of Nations bans foreign national "volunteers" in the Spanish Civil War.

1925

The New Yorker publishes its first issue.

1916

World War I: In France the Battle of Verdun begins.

1893

Thomas Edison receives two U.S. patents for a "Cut Out for Incandescent Electric Lamps" and for a "Stop Device"

1885

The newly completed Washington Monument is dedicated.

1878

The first telephone book is issued in New Haven, Connecticut.

1875

Jeanne Calment was born. She then went on to live for 122 years 164 days, the longest confirmed lifespan for any human being in history.