May 26

• May 26, 451
  Army of Sassanid Empire defeat united Armenian forces at the Battle of Avarair with strategic victory for Armenians
• May 26, 1637
  150 Puritans lead by Captain John Mason with 60 Mohegan warriors attack fortified Pequot village at Mystic, in Connecticut River Valley, North America and burn the entire village, shoot fleeing escapers, killing about 700 men, women, children in under hour
• May 26, 1736
  British and Chickasaw Indians, supported by the British, defeat a combined force of French soldiers and Chocktaw Indians at the Battle of Ackia, thus opening the region to English settlement
• May 26, 1798
  British kill about 500 Irish insurgents at the Battle of Tara
• May 26, 1805
  Napoleon Bonaparte is crowned king of Italy
• May 26, 1805
  Lewis and Clark first see the Rocky Mountains
• May 26, 1834
  Portuguese Civil war between progressive constitutionalists and authoritarian absolutists ends with restore of constitutional monarchy and exile of absolutist Miguel I
• May 26, 1860
  Giuseppe Garibaldi occupies Palermo, Italy during Expedition of the Thousand
• May 26, 1868
  Michael Barrett, Irish nationalist, is executed for his part in the Clerkenwell bombing, which becomes the last British public execution
• May 26, 1868
  The United States Senate impeachment trial of President Andrew Johnson ends with his acquittal as the Senate fell one vote short of the two-thirds majority required for conviction
• May 26, 1879
  Treaty of Gandermack is signed between Great Britain and Afghanistan and cedes various frontier areas to Britain
• May 26, 1894
  Emanuel Lasker, a German mathematician and World Chess Champion for 27 years, becomes World Champion chess player for the first time
• May 26, 1896
  The Dow Jones Industrial Average, an index of 12 industrial companies, is first published
• May 26, 1918
  Democratic Republic of Georgia declares independence from Russia
• May 26, 1924
  United States President Calvin Coolidge signs Immigration Act of 1924, significantly restricting immigration from Easter and Southern Europe and prohibiting the immigration of Arabs, East Asians, and Indians
• May 26, 1948
  South Africa elects a nationalist government in the parliamentary election, which begin system of racial segregation policy known as apartheid
• May 26, 1965
  Revised International Convention on Safety of Life at Sea takes effect
• May 26, 1966
  Guyana, formerly British Guiana, declares independence from United Kingdom
• May 26, 1971
  Soviet Union's Concorde, TU-144, makes its first appearance
• May 26, 1972
  US President Richard Nixon and Soviet Leader Leonid Brezhnev signs Strategic Arms Limitation Talks accord
• May 26, 1981
  The Italian government resigns over its links to the fascist Masonic cell Propaganda Due
• May 26, 1986
  The European Community adopts the European flag
• May 26, 2010
  Market capitalization of Apple, US$222 billion, passes Microsoft for the first time since December 19,1989, making Apple stock more than 10 times worth what they were 10 years ago, whereas Microsoft stock is down 20 percent over the same time period
• May 26, 2011
  Former Bosnian Serb Army commander Ratko Mladic, wanted for genocide, war crimes and crimes against humanity, is arrested in Serbia