1610 – Through his telescope, Italian astronomer Galileo Galilei made the first observation of Jupiter's Galilean moons: Io, Europa, Ganymede and Callisto, although he was not able to distinguish the first two until the following night.
2007 – A general strike began in Guinea as an attempt to force President Lansana Conté to resign, eventually resulting in the appointment of two new prime ministers.
1554 – Bayinnaung, who later assembled what was probably the largest empire in the history of mainland Southeast Asia, was crowned as the king of the Burmese Toungoo dynasty.
1947 – The mutilated corpse of the Black Dahlia, a 22-year-old woman whose murder is one of the most famous unsolved crimes in the United States, was found in Leimert Park, Los Angeles.
2016 – After gunmen took hostages the previous night at a restaurant in Ouagadougou, Burkina Faso, government commandos stormed the premises to bring the situation to an end.
1961 – Patrice Lumumba(pictured), a former prime minister of Congo-Léopoldville, was murdered in circumstances suggesting the support and complicity of the Belgian and US governments.
2002 – Mount Nyiragongo, a volcano in the Democratic Republic of the Congo, began an eruption that killed hundreds and left about 120,000 people homeless in the nearby town of Goma.
1972 – The French newspaper L'Aurore revealed that the former Nazi SS officer Klaus Barbie(pictured), the "Butcher of Lyon", had been found to be living in Peru.
1909 – Two men committed an armed robbery in Tottenham, London, and led police on a two-hour chase, partially by tram, that ended in the perpetrators' suicides.
1142 – Despite having saved the southern Song dynasty from attempts by the northern Jin dynasty to conquer it, Chinese general Yue Fei was executed by the Song government.
1547 – Nine-year-old Edward VI, the first English monarch to be raised as a Protestant, became king.
1813 – English author Jane Austen's novel Pride and Prejudice was published, using material from an unpublished manuscript originally written between 1796 and 1797.
904 – Sergius III(pictured), whose pontificate was marked by feudal violence and disorder in central Italy, returned from exile to take over the papacy from the deposed antipope Christopher.
1607 – Low-lying places around the coasts of the Bristol Channel of Britain were flooded, resulting in an estimated 2,000 deaths.
1835 – Richard Lawrence became the first person to attempt to assassinate a sitting US president when he failed to kill Andrew Jackson at the US Capitol(assassination attempt pictured) and was subdued by the crowd.