1983 – Pioneer 10 becomes the first man-made object to leave the central Solar System when it passes beyond the orbit of Neptune (the furthest planet from the Sun at the time).

1970 – "The Long and Winding Road" becomes the Beatles' last US Number 1 song.

1886 – King Ludwig II of Bavaria is found dead in Lake Starnberg south of Munich at 11:30 PM.

1962 – Frank Morris, John Anglin and Clarence Anglin allegedly become the only prisoners to escape from the prison on Alcatraz Island.

1935 – Inventor Edwin Armstrong gives the first public demonstration of FM broadcasting in the United States at Alpine, New Jersey.

1977 – The Apple II, one of the first personal computers, goes on sale.

1947 – Saab produces its first automobile.

1934 – Donald Duck makes his debut in The Wise Little Hen.

2002 – Eastern Mediterranean event. A near-Earth asteroid estimated at 10 meters in diameter explodes over the Mediterranean Sea between Greece and Libya. The resulting explosion is estimated to have a force of 26 kilotons, slightly more powerful than the Nagasaki atomic bomb.

1984 – Tetris, one of the best-selling video games of all time, is released.

1892 – Chicago 'L' (commuter rail system) begins operation

1989 – The Tiananmen Square protests are violently ended in Beijing by the People's Liberation Army, with at least 241 dead.

1974 – During Ten Cent Beer Night, inebriated Cleveland Indians fans start a riot, causing the game to be forfeited to the Texas Rangers.

1919 – Women's rights: The U.S. Congress approves the 19th Amendment to the United States Constitution, which guarantees suffrage to women, and sends it to the U.S. states for ratification.

1912 – Massachusetts becomes the first state of the United States to set a minimum wage.

 Red_Dragon wrote: 
thanks for posting this stuff.  I look forward to your posts every day.

1989 – The government of China sends troops to force protesters out of Tiananmen Square after seven weeks of occupation.

1979 – A blowout at the Ixtoc I oil well in the southern Gulf of Mexico causes at least 3,000,000 barrels (480,000 m3) of oil to be spilled into the waters, the second-worst accidental oil spill ever recorded.

1965 – The launch of Gemini 4, the first multi-day space mission by a NASA crew. Ed White, a crew member, performs the first American spacewalk.

1888 – The poem "Casey at the Bat", by Ernest Lawrence Thayer, is published in the San Francisco Examiner.