April 6

• April 6, 402
  Roman army under general Stilicho, the son of a Roman soldier of Vandal birth, beat the Visigoths at the Battle at Pollentia
• April 6, 610
  Muhammad begins preaching in Mecca
• April 6, 1199
  Richard I the Lion-hearted, King of England is killed by an arrow at the siege of the castle of Chaluz in France and his brother John succeeds to English throne
• April 6, 1250
  Louis IX, King of France, loses the Battle of Fariskur in Egypt and is captured by Muslim forces
• April 6, 1348
  Laura, the love of Petrarch dies of the plague
• April 6, 1483
  Raphael, an Italian painter, is born
• April 6, 1528
  Albrecht Durer, a German painter, graphic artist, dies in Germany
• April 6, 1652
  Dutch colonists led by Jan van Riebeeck establish settlement at Cape Town, the first European settlement in South Africa
• April 6, 1762
  Winter Palace, the official residence of the Russian monarchs, designed Italian architect Bartolomeo Rastrelli in Elizabethan Baroque style, is completed
• April 6, 1793
  Committee of Public Safety, which confer all executive power in France during Reign of Terror, is created by proposal of the Girondin leader Maximin Isnard
• April 6, 1830
  The Church of Jesus Christ of Latter Day Saints, also known as Mormon Church, is established by Joseph Smith, who publishes the Book of Mormon in Palmyra, New York, and claims that the manuscript is based on ancient golden plates revealed to him by the angel Moroni
• April 6, 1896
  Olympic Games, revived by French educator Baron Pierre de Coubertin, are opened in Athens, Greece with 13 countries participated
• April 6, 1909
  American explorer Robert Peary, assistant Matthew Henson, and four Inuit men reach the North Pole, becoming the first documented men to reach the pole, though controversy remains over accuracy of his claim
• April 6, 1912
  Electric starter motor first appears in Cadillac Model Thirty
• April 6, 1917
  United States declares war against Germany and joins the Allies for the last 17 months of World War I
• April 6, 1938
  Teflon is invented by American chemist Roy J Plunkett
• April 6, 1965
  Intelsat I, a.k.a. "Early Bird", first commercial geosynchronous communications satellite, is launched
• April 6, 1974
  Swedish music group Abba wins the Eurovision Song Festival with the song Waterloo
• April 6, 1992
  Serbian troops, following a mass rebellion of Serbs in Bosnia and Herzegovina against the Bosnian declaration of independence from Yugoslavia, besiege the city of Sarajevo
• April 6, 1993
  A nuclear accident occurs at Tomsk 7 in Russia
• April 6, 2012
  The National Movement for the Liberation of Azawad unilaterally declares the independence of Azawad from Mali