http://en.wikipedia.org/wiki/May_16 * 1836 - Edgar Allan Poe marries his 13-year-old cousin Virginia.
* 1843 - The first major wagon train heading for the Northwest sets out with one thousand pioneers from Elm Grove, Missouri on the Oregon Trail.
* 1866 - The U.S. Congress eliminates the half dime coin and replaces it with the five cent piece, or nickel.
* 1866 - Charles Elmer Hires invents root beer. * 1868 - President Andrew Johnson is acquitted during his impeachment trial, by one vote in the United States Senate.
* 1874 - A flood on the Mill River in Massachusetts destroyed much of four villages and killed 139 people.
* 1877 - May 16, 1877 political crisis in France.
* 1910 - The U.S. Congress authorizes the creation of the United States Bureau of Mines.
* 1918 - The Sedition Act of 1918 is passed by the U.S. Congress, making criticism of the government a jailable offense. * 1919 - US Navy Naval Curtiss aircraft NC-4 commanded by Albert Cushing Read leaves Trepassey, Newfoundland, for Lisbon via the Azores on the first transatlantic flight.
* 1920 - In Rome, Pope Benedict XV canonizes Joan of Arc as a saint.
* 1929 - In Hollywood, California, the first Academy Awards are handed out.
* 1938 - A fire at the Terminal Hotel in Atlanta, Georgia, kills 35 people.
* 1943 - Holocaust: The Warsaw Ghetto Uprising ends.
* 1943 - World War II: The Dambuster Raids by No. 617 Squadron RAF on German dams.
* 1948 - Chaim Weizmann is elected as the first President of Israel.
* 1960 - Nikita Khrushchev demands an apology from US President Dwight D. Eisenhower for U-2 spy plane flights over the Soviet Union thus ending a Big Four summit in Paris.
* 1960 - Theodore Maiman operates the first optical laser, at Hughes Research Laboratories in Malibu, California.
* 1965 - Campbell Soup Company introduces SpaghettiOs under its Franco-American brand.
* 1966 - The Communist Party of China issued the "May 16 Notice", marking the beginning of the Cultural Revolution.
* 1969 - Venera program: Venera 5, a Soviet spaceprobe, lands on Venus.
* 1972 - Decimal currency introduced in Malta. The Pound sterling is henceforth divided into 100 cents.
* 1975 - India annexes Sikkim after the mountain state held a referendum where popular vote was in favour of merging with India.
* 1975 - Junko Tabei becomes the first woman to reach the summit of Mount Everest.
* 1988 - A report by American Surgeon General C. Everett Koop states that the addictive properties of nicotine are similar to those of heroin and cocaine.
* 1992 - STS-49: Space Shuttle Endeavour lands safely after a successful maiden voyage. * 2003 - In Casablanca, Morocco, 33 civilians are killed and more than 100 people are injured in the Casablanca terrorist attacks.
* 2005 - Kuwait permits women's suffrage in a 35-23 National Assembly vote.
* 2006 - A large magnitude 7.4 earthquake occurs near New Zealand.