The Daily News | August 21

Babe Ruth hit his 600th career home run, 1931
Gemini 5 (US) launched, 1965
Adding machine patented (W.S. Burroughs), 1888
Hawaii became 50th US state, 1959
Scientists first warned of global warming, 1981
Lincoln-Douglas debates began, 1858
Lady Mary Wortley Montagu, English author, died, 1762
United Nations building opened, 1950
Reverend Henry Ward Beecher accused of adultery, 1874
American Bar Association organized, 1878
French and Indians burned Haverhill, Massachusetts, 1708
The Mona Lisa stolen from the Louvre, 1911
Benigno S. Aquino, Philippine opposition leader, killed, 1983
Martial law declared in South Vietnam, 1963
Soviet Union and Warsaw Pact forces invaded Czechoslovakia, 1968
Quantrill’s raid on Lawrence, Kansas, 1863
Ernest Lawrence Thayer, author (“Casey at the Bat”), died, 1940
Leon Trotsky, Bolshevik leader, killed, 1940