June 6

• June 6, 1002
  German king Henry II is crowned by Archbishop of Mainz at Mainz, the first time when a German king was crowned outside Aachen Cathedral since Emperor Otto I
• June 6, 1134
  Norbert of Xanten, founder of the Premonstratensian order, dies
• June 6, 1523
  Sweden gains independence from the Kalmar Union and a member of noble family Gustav Vasa is elected Gustavus I of Sweden
• June 6, 1674
  Shivaji, an aristocrat of the clan within the Maratha Kshatriya culture, crowns himself King of India, founding Maratha Empire in Indian subcontinent
• June 6, 1683
  The Ashmolean Museum, the world's first university museum, is opened in Oxford to house natural-history artifacts given to Oxford University by Elias Ashmole
• June 6, 1698
  Streltsy, the Russian regiments, remove their commanding officers and make their way to Moscow, beginning Streltsy Uprising against military service hardships and harassment
• June 6, 1719
  The first slaves, over five hundred black slaves coming from Africa, arrive in Louisiana on two French ships, the Du Maine and the Aurore arrive in Louisiana, starting expansion of slavery
• June 6, 1772
  Haitian explorer Jean Baptiste-Pointe DuSable settles Chicago
• June 6, 1809
  Sweden establish new constitution, which establishes a separation of powers between the King and the legislative branch, the Riksdag of the Estates
• June 6, 1844
  YMCA, the Young Men's Christian Association, is founded in London, England
• June 6, 1882
  An electric iron, weighed almost 7 kilograms, is patented by Henry W. Seely in New York City
• June 6, 1918
  Battle of Belleau Wood becomes the first United States victory of the First World War
• June 6, 1925
  Walter Percy Chrysler founds the Chrysler Corporation
• June 6, 1944
  About 155,000 Allied troops land 90 km of Normandy coastline in France during the D-Day, beginning the invasion of German-occupied western Europe
• June 6, 1946
  National Basketball Association, the premier men's professional basketball league in the world, is founded
• June 6, 1967
  Six-day war between Israel and Arab neighbors begins
• June 6, 1984
  Indian troops storm the Golden Temple at Amritsar, the Sikhs' holiest shrine, killing an estimated 2000 people
• June 6, 1993
  Mongolia holds its first direct presidential elections
• June 6, 2002
  An asteroid or comet estimated at 5-10 metres in diameter explodes over the Mediterranean Sea between Greece and Libya with an estimated force slightly more powerful than the Nagasaki atomic bomb
• June 6, 2013
  American Edward Snowden releases classified documents concerning mass surveillance by a U.S. government and flees the country, later being granted temporary asylum in Russia