Year 218 » Julia Maesa, aunt of the assassinated Caracalla, is banished to her home in Syria by the self-proclaimed emperor Macrinus and declares her 14-year old grandson Elagabalus, emperor of Ancient Rome e.g Rome.
Year 1204 Calendar » Baldwin I of Constantinople e.g Baldwin IX, Count of Flanders is crowned as the first Emperor of the Latin Empire.
Year 1527 Calendar » The Florentines drive out the Medici for a second time and Florence re-establishes itself as a republic.
Year 1532 Calendar » Sir Thomas More resigns as Lord Chancellor of England.
Year 1584 Calendar » Santiago de Vera becomes sixth Governor-General of the Spanish colony of the Philippines.
Year 1770 Calendar » A 14-year old Marie Antoinette marries 15-year-old Louis XVI of France e.g Louis-Auguste who later becomes king of France.
Year 1771 Calendar » The Battle of Alamance, a pre-American Revolution e.g American Revolutionary War battle between local militia and a group of rebels called The "War of the Regulation e.g Regulators", occurs in present-day Alamance County, North Carolina.
Year 1811 Calendar » Peninsular War: The allies Spain, Portugal and United Kingdom, defeat the French at the Battle of Albuera.
Year 1812 Calendar » Russian Field Marshal Mikhail Kutuzov signs the Treaty of Bucharest (1812) called Treaty of Bucharest, ending the Russo-Turkish War (1806–12) or Russo-Turkish War. Bessarabia is annexed by Imperial Russia.
Year 1822 Calendar » Greek War of Independence: The Turkey named Turks capture the Greek town of Souli.
Year 1834 Calendar » The Battle of Asseiceira is fought, the last and decisive engagement of the Liberal Wars in Portugal.
Year 1843 Calendar » The first major wagon train heading for the Pacific Northwest sets out on the Oregon Trail with one thousand pioneers from Elm Grove, Missouri.
Year 1866 Calendar » The United States Congress e.g U.S. Congress eliminates the half dime coin and replaces it with the five cent piece, or nickel (U.S. coin) named nickel.
Year 1868 Calendar » United States President Andrew Johnson is acquitted in his Impeachment of Andrew Johnson e.g impeachment trial by one vote in the United States Senate.
Year 1874 Calendar » A flood on the Mill River (Northampton, Massachusetts) called Mill River in Massachusetts destroys much of four villages and kills 139 people.
Year 1877 Calendar » 16 May 1877 crisis called May 1877 political crisis in France.
Year 1888 Calendar » Nikola Tesla delivers a lecture describing the equipment which will allow efficient generation and use of alternating currents to electric power transmission or transmit electric power over long distances.
Year 1914 Calendar » The first ever National Challenge Cup final is played. Brooklyn Field Club defeats Brooklyn Celtic 2-1.
Year 1918 Calendar » The Sedition Act of 1918 is passed by the U.S. Congress, making criticism of the government during wartime an imprisonable offense. It will be repealed less than two years later.
Year 1919 Calendar » A naval Curtiss Aeroplane and Motor Company or Curtiss aircraft NC-4 commanded by Albert Cushing Read leaves Trepassey, Newfoundland and Labrador called Newfoundland, for Lisbon via the Azores on the first transatlantic flight.
Year 1920 Calendar » In Rome, Pope Benedict XV Canonization of Joan of Arc called canonizes Joan of Arc.
Year 1929 Calendar » In Hollywood, the first Academy Awards are awarded.
Year 1951 Calendar » The first regularly scheduled transatlantic flights begin between Idlewild Airport (now John F Kennedy International Airport) in New York City and Heathrow Airport in London, operated by El Al Israel Airlines.
Year 1953 Calendar » American journalist William N. Oatis is released after serving 22 months of a ten-year prison sentence for espionage in Czechoslovakia.
Year 1960 Calendar » Theodore Maiman operates the first optical laser (a ruby laser), at Hughes Research Laboratories in Malibu, California.
Year 1966 Calendar » The Communist Party of China issues the "Cultural Revolution 1966: The 16 Points and the Red Guards known as May 16 Notice", marking the beginning of the Cultural Revolution.
Year 1969 Calendar » Venera program: 'Venera 5', a Soviet space probe, lands on Venus.
Year 1974 Calendar » Josip Broz Tito is re-elected president of the Socialist Federal Republic of Yugoslavia. This time he is elected president for Life e.g for life.
Year 1975 Calendar » India annexes Sikkim after the mountain state holds a referendum in which the popular vote is in favor of merging with India.
Year 1975 » Junko Tabei becomes the first woman to reach the summit of Mount Everest.
Year 1986 Calendar » The Seville Statement on Violence is adopted by an international meeting of scientists, convened by the Spanish National Commission for UNESCO, in Seville, Spain.
Year 1991 Calendar » Queen Elizabeth II of the United Kingdom addresses a joint session of the United States Congress. She is the first British monarch to address the U.S. Congress.
Year 1997 Calendar » Mobutu Sese Seko, the President of Zaire, flees the country.
Year 2003 Calendar » In Casablanca, Morocco, 33 civilians are killed and more than 100 people are injured in the 2003 Casablanca bombings or Casablanca terrorist attacks.
Year 2007 Calendar » Nicolas Sarkozy takes office as President of France.
Year 2011 Calendar » STS-134 (ISS assembly sequence e.g ISS assembly flight ULF6), launched from the Kennedy Space Center on the 25th and final flight for OV known as 105.
Year 2014 Calendar » 12 people are killed in 2014 Gikomba explosions called two explosions in the Gikomba market area of the Kenyan capital of Nairobi.