Comoros: Anniversary of the Death of President Ali Soilih Fiji: Ratu Sir Lala Sukuna Day
1167 - Battle of Monte Porzio – A Roman army supporting Pope Alexander III is defeated by Christian of Buch and Rainald of Dassel
1176 - Battle of Legnano: The Lombard League defeats Emperor Frederick I.
1414 - Council of Constance.
1453 - Byzantine-Ottoman Wars: Ottoman armies under Sultan Mehmed II Fatih capture Constantinople after a siege, ending the Byzantine Empire.
1660 - English Restoration: Charles II (on his birthday – see below) is restored to the throne of Great Britain.
1677 - Treaty of Middle Plantation establishes peace between the Virginia colonists and the local Natives.
1727 - Peter II becomes Tsar of Russia.
1733 - The right of Canadians to keep Indian slaves is upheld at Quebec City.
1780 - American Revolutionary War: At the Battle of Waxhaws Lieutenant Colonel Banastre Tarleton massacres Colonel Abraham Buford's continentals allegedly after the continentals surrender. 113 Americans are killed.
1790 - Rhode Island becomes the last of the original United States' colonies to ratify the Constitution and is admitted as the 13th U.S. state.
1848 - Wisconsin is admitted as the 30th U.S. state.
1864 - Emperor Maximilian of Mexico arrives in Mexico for the first time.
1867 - The Austro-Hungarian agreement known as Ausgleich ("the Compromise") is born through Act 12, which establishes the Austro-Hungarian Empire; on June 8 Emperor Franz Joseph is crowned King of Hungary.
1868 - The assassination of Michael Obrenovich III, Prince of Serbia, in Belgrade.
1886 - Chemist John Pemberton places his first advertisement for Coca-Cola, the ad appearing in the Atlanta Journal.
1903 - May coup d'etat: Alexander Obrenovich, King of Serbia, and Queen Draga, are assassinated in Belgrade by the Black Hand (Crna Ruka) organization.
1913 - Igor Stravinsky's ballet score The Rite of Spring receives its premiere performance in Paris, provoking a riot.
1914 - Ocean liner RMS;Empress of Ireland sinks in the Gulf of St. Lawrence with the loss of 1,024 lives.
1919 - Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington's observation of a total solar eclipse in Principe and by Andrew Crommelin in Sobral, Ceará, Brazil.
1919 - The Republic of Prekmurje founded
1924 - AEK Athens FC is established on the anniversary of the siege of Constantinople by the Turks.
1932 - World War I Veterans begin to assemble in Washington, DC in the Bonus Army to request cash bonuses promised to them to be paid in 1945.
1935 - The Hoover Dam is completed.
1942 - Bing Crosby, the Ken Darby Singers and the John Scott Trotter Orchestra record Irving Berlin's "White Christmas", the best-selling Christmas single in history, for Decca Records in Los Angeles.
1948 - Creation of the United Nations Peacekeeping Force the United Nations Truce Supervision Organisation
1950 - The ;St. Roch, the first ship to circumnavigate North America, arrives in Halifax, Nova Scotia .
1953 - Edmund Hillary and Sherpa Tenzing Norgay become the first people to reach the summit of Mount Everest, on Tenzing Norgay's (adopted) 39th birthday.
1954 - First of the annual Bilderberg conferences.
1964 - The Arab League meets in East Jerusalem to discuss the Palestinian situation in Israel, leading to the formation of the Palestinian Liberation Organization.
1969 - General strike in Córdoba, Argentina, leading to the Cordobazo civil unrest.
1972 - 26 people are killed and dozens more injured when three Japanese gunmen open fire on crowds at Lod International Airport in Tel Aviv, Israel.
1973 - Tom Bradley is elected the first black mayor of Los Angeles, California.
1982 - Pope John Paul II becomes the first pontiff to visit Canterbury Cathedral.
1985 - Heysel Stadium disaster: At the European Cup final in Brussels, Belgium, 39 football fans die and hundreds are injured when a dilapidated retaining wall collapses after Liverpool F.C. fans breach a fence separating them from Juventus F.C. fans.
1985 - Amputee Steve Fonyo completes cross-Canada marathon at Victoria, British Columbia, after 14 months.
1988 - U.S. President Ronald Reagan begins his first visit to the Soviet Union when he arrives in Moscow for a superpower summit with Soviet leader Mikhail Gorbachev.
1990 - The Russian parliament elects Boris Yeltsin president of the Russian SFSR.
1999 - Olusegun Obasanjo takes office as President of Nigeria, the first elected and civilian head of state in Nigeria after 16 years of military rule.
1999 - Space Shuttle Discovery completes the first docking with the International Space Station.
1999 - Charlotte Perrelli wins the Eurovision Song Contest 1999 for Sweden in Jerusalem, Israel with the song Take Me to Your Heaven.
2001 - U.S. Supreme Court rules that disabled golfer Casey Martin can use a cart to ride in tournaments.
2004 - The World War II Memorial is dedicated in Washington, D.C.