May 14

• May 14, 964
  Pope John XII, the last Pope during the Pornocracy period, is killed by an outraged husband during an adulterous sexual encounter
• May 14, 1027
  Robert II names son Henry I king of France
• May 14, 1509
  In the Battle of Agnadello, the French defeat the Venetians in Northern Italy
• May 14, 1590
  French king Henri IV beats Catholic League at Battle of Ivry
• May 14, 1610
  King Henri IV, Henri de Navarre, the first Bourbon King of France, is assassinated by a fanatical monk, François Ravaillac and is succeeded by his son Louis
• May 14, 1638
  Dutch fleet under Admiral Adam Westerwolt is defeated by Portuguese forces near Goa
• May 14, 1643
  Louis XIV becomes King of France at age 4 upon the death of his father, Louis XIII
• May 14, 1702
  Swedish troops under King Charles XII occupy Warsaw
• May 14, 1787
  Delegates begin gathering in Philadelphia for a convention to draw up the United States Constitution
• May 14, 1796
  English physician Edward Jenner gives the first successful vaccination against smallpox, the terrible disease killed an estimated 400,000 Europeans each year
• May 14, 1804
  The Meriwether Lewis and William Clark expedition of about 45 men leaves Saint Louis, Missouri, on a mission to explore the Northwest from the Mississippi River to the Pacific Ocean after the Louisiana Purchase
• May 14, 1878
  Vaseline is first sold with the registered trademark for petroleum jelly
• May 14, 1926
  May Coup of Józef Piłsudski turns rule of the Second Polish Republic over to the Sanacja movement
• May 14, 1948
  The State of Israel is officially created and David Ben-Gurion becomes first Prime Minister
• May 14, 1955
  Warsaw Pact, a mutual defense treaty during the Cold War, is signed in Warsaw by the Soviet Union, Albania, Bulgaria, Czechoslovakia, East Germany, Hungary, Poland, and Romania
• May 14, 1964
  Egyptian President Nasser and Soviet leader Khrushchev start filling of reservoir of Aswan High Dam
• May 14, 1973
  Skylab, the United States' first space station. Skylab orbited the Earth, is launched
• May 14, 1998
  U.S. singer Frank Sinatra dies