1776 - The Continental Congress appointed a committee to write a Declaration of Independence.
1801 - The North African State of Tripoli declared war on the U.S. The dispute was over merchant vessels being able to travel safely through the Mediterranean.
1854 - The U.S. Naval Academy in Annapolis, MD, held its first graduation.
1898 - U.S. Marines landed in Cuba during the Spanish-American War.
1909 - The SOS distress signal was used for the first time. The Cunard liner SS Slavonia used the signal when it wrecked off the Azores.
1920 - The Republican convention in Chicago endorsed woman suffrage.
1935 - Alcoholic Anonymous was founded by William G. Wilson and Dr. Robert Smith.
1943 - The Allies began bombing Germany around the clock.
1948 - Chuck Yeager exceeded the speed of sound in the Bell XS-1.
1954 - General Motors announced the gas turbine bus had been produced successfully.
1967 - Israel and Syria agreed to a cease-fire that ended the Six-Day War.
1970 - A fifteen-man group of special forces troops began training for Operation Kingpin. The operation was a POW rescue mission in North Vietnam.
1984 - The U.S. Army successfully tested an antiballistic missile.
1987 - An earthquake hit 15 states from Iowa to South Carolina.
1990 - The Civic Forum movement won Czechoslovakia's first free elections since 1946. The movement was founded by President Vaclav Havel.
1990 - Bulgaria's former Communist Party won the country's first free elections in more than four decades.
1994 - U.S. President Clinton intensified sanctions against Haiti's military leaders. U.S. commercial air travel was suspended along with most financial transactions between Haiti and the U.S.
1996 - The Colorado Avalanche defeated the Florida Panthers in a 1-0 triple overtime game. The win ended a four-game sweep for the Stanley Cup.
1998 - The Wisconsin Supreme Court ruled that poor children in Milwaukee could attend religious schools at taxpayer expense.
1999 - NATO suspended air strikes in Yugoslavia after Slobodan Milosevic agreed to withdraw his forces from Kosovo.