July 19

• July 19, 64
  The Great Fire begins in Rome and destroys ten of the fourteen districts of city during next six days, which lets Roman Emperor Nero to blame Christians and begins persecutions of them
• July 19, 1553
  15-year-old Lady Jane Grey, daughter of John Dudley, the Duke of Northumberland, is deposed as Queen of England after claiming the crown for nine days; Mary, the daughter of King Henry VIII, is s proclaimed Queen
• July 19, 1610
  Polish King Wladyslaw IV Vasa is crowned Tsar of Russia
• July 19, 1821
  The coronation of George IV of England is held
• July 19, 1834
  Edgar Degas, French impressionist painter, is born
• July 19, 1870
  Emperor Napoleon III of France declares war on Germany under Otto von Bismarck beginning Franco-Prussian War, which results in the unifications of Germany and Italy and the emergence of a New Imperialism
• July 19, 1943
  Allied air forces raid Rome, Italy
• July 19, 1970
  Edward Heath becomes Prime Minister of the United Kingdom
• July 19, 1975
  Apollo, an Apollo spacecraft, and Soviet spacecraft Soyuz 19, linked in orbit for two days, separate
• July 19, 1993
  President Bill Clinton announces "don't ask, don't tell" policy concerning gays serving in the U.S. military
• July 19, 2009
  Amateur astronomer Anthony Wesley discovers impact on Jupiter that causes a black spot in the planet's atmosphere