Events:
1864 - American Civil War: The first Northern prisoners arrive at the Confederate prison at Andersonville, Georgia.

1942 - World War II: the USS Langley, the first United States aircraft carrier, is sunk by Japanese warplanes.

1964 - The government of Italy asks for help to keep the Leaning Tower of Pisa from toppling over.

Birhts:
272 - Constantine I, Roman emperor (d. 337)

1932 - Elizabeth Taylor, British-American actress

Death:
1892 - Louis Vuitton, French luggage maker (b. 1821)

Holiday/Observance:
Roman Empire - Equirria, horse races in honour of the pagan war god Mars were held.
Dominican Republic - National Day.
International Polar Bear Day.
First day of Maslenitsa in Russia (2006)