* 1649 - King Charles I of England is beheaded.
* 1661 - Oliver Cromwell, Lord Protector of the Commonwealth of England is formally executed - after having been dead for two years (it's never too late for revisionism).
* 1835 - A mentally ill man named Richard Lawrence attempts to assassinate President Andrew Jackson in the United States Capitol -- the first assassination attempt against a President. Both of Lawrence's pistols misfire, and Jackson proceeds to beat his would-be assassin with his cane.
* 1889 - Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, was found dead with his mistress Baroness Mary Vetsera in Mayerling. How they died remains a mystery.
* 1933 - Adolf Hitler is sworn in as Chancellor of Germany.
* 1948 - Indian pacifist and leader Mohandas Gandhi is assassinated by Nathuram Godse, a Hindu extremist.
* 1968 - Vietnam War: The Tet Offensive begins when Viet Cong forces launch series of a surprise attacks in South Vietnam.
* 1969 - The Beatles' last public performance, on the roof of Apple Records in London. The impromptu concert is broken up by the police.
* 1972 - Bloody Sunday: United Kingdom British Paratroopers kill fourteen Roman Catholic civil rights /anti internment marchers in Northern Ireland- Bloody Sunday
* 2003 - Belgium legally recognizes same-sex marriage.
* 2005 - Amid violence and threats to boycott the results, Iraq holds an election for its National Assembly, the country's first free election since 1953.Births
* 1882 - Franklin D. Roosevelt, 32nd. President of the United States (d. 1945)
* 1912 - Barbara W. Tuchman, American historian (d. 1989)
* 1922 - Dick Martin, American comedian
* 1930 - Samuel J. Byck, American attempted assassin of Richard Nixon
* 1941 - Dick Cheney, oil executive
* 1962 - King Abdullah II of Jordan
* 1962 - Mary Kay Letourneau, American teacher