363 – Roman Emperor
Julian moves from Antioch with an army of 90,000 to attack the Sassanid Empire, in a campaign which would bring about his own death.
1616 –
Nicolaus Copernicus's book, De revolutionibus orbium coelestium is banned by the Catholic Church
1770 - The Boston Massacre took place. British soldiers, who had been taunted by colonists (Patriots) and hit with snowballs, opened fire and killed five people.
1836 – Samuel Colt makes the first production-model revolver, the .34-caliber.
1850 – The Britannia Bridge across the Menai Strait between the Isle of Anglesey and the mainland of Wales is opened.
1872 – George Westinghouse patents the air brake.
1912 – Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
1931 – The British Viceroy of India, Governor-General Edward Frederick Lindley Wood and Mohandas Gandhi (Mahatma Gandhi) sign an agreement envisaging the release of political prisoners and allowing salt to be freely used by the poorest members of the population.
1933 – Adolf Hitler's Nazi Party receives 43.9% at the Reichstag elections. This later allows the Nazis to pass the Enabling Act and establish a dictatorship.
1936 - The British fighter plane Spitfire made its first test flight from Eastleigh, Southampton, powered by a Rolls-Royce Merlin engine. It was designed by Reginald Mitchell and was the fighter plane that helped to win the Battle of Britain.
1943 - The first flight of the Gloster Meteor jet aircraft. It was the first British jet fighter and the Allies' first operational jet. The Meteor's development was heavily reliant on its ground-breaking turbojet engines, developed by Sir Frank Whittle.
1960 - Elvis Presley returned to civilian life after two years in the U.S. Army.
1960 – Cuban photographer Alberto Korda took his iconic photograph of Marxist revolutionary
Che Guevara.
1979 – Soviet probes Venera 11, Venera 12 and the American solar satellite Helios II all are hit by "off the scale" gamma rays leading to the discovery of soft gamma repeaters.
1979 – America's Voyager 1 spacecraft has its closest approach to Jupiter, 172,000 miles.
1981 – The ZX81, a pioneering British home computer, is launched by Sinclair Research and would go on to sell over 1.5 million units around the world.
2004 - Martha Stewart was found guilty on four counts of obstruction of justice, stemming from her December 2001 sale of shares of biotech stock ImClone.