363 – The Roman emperor Julian defeats the Sasanian army in the Battle of Ctesiphon, under the walls of the Sasanian capital, but is unable to take the city.
1108 – Battle of Uclés: Almoravid troops under the command of Tamim ibn Yusuf defeat a Castile and León alliance under the command of Prince Sancho Alfónsez.
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.
1328 – Philip VI is crowned King of France.
1414 – Council of Constance.
1453 – Fall of Constantinople: Ottoman armies under Sultan Mehmed II Fatih capture Constantinople after a 53-day siege, ending the Byzantine Empire.
1660 – English Restoration: Charles II is restored to the throne of England, Scotland and Ireland.
1677 – Treaty of Middle Plantation establishes peace between the Virginia colonists and the local Natives.
1727 – Peter II becomes Czar 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, the British continue attacking after the Continentals lay down their arms, killing 113 and critically wounding all but 53 that remained.
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.
1798 – United Irishmen Rebellion: Between 300 and 500 United Irishmen are massacred by the British Army in County Kildare, Ireland.
1807 – Mustafa IV became Sultan of the Ottoman Empire and Caliph of Islam.
1848 – Wisconsin is admitted as the 30th U.S. state.
1852 – Jenny Lind leaves New York after her two-year American tour.
1861 – The Hong Kong General Chamber of Commerce is founded, in Hong Kong.
1864 – Emperor Maximilian I of Mexico arrives in Mexico for the first time.
1867 – The Austro-Hungarian Compromise of 1867 ("the Compromise") is born through Act 12, which establishes the Austro-Hungarian Empire.
1868 – Mihailo Obrenović III, Prince of Serbia is assassinated.
1886 – The pharmacist John Pemberton places his first advertisement for Coca-Cola, which appeared in The Atlanta Journal.
1900 – N'Djamena is founded as Fort-Lamy by the French commander Émile Gentil.
1903 – In the May Coup, Alexander I, 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, France, provoking a riot.
1914 – The Ocean liner RMS Empress of Ireland sinks in the Gulf of Saint Lawrence with the loss of 1,012 lives.
1918 – Armenia defeats the Ottoman Army in the Battle of Sardarabad.
1919 – Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin.
1919 – The Republic of Prekmurje is founded.
1931 – Michele Schirru, a citizen of the United States, is executed by Italian military firing squad for intent to kill Benito Mussolini.
1932 – World War I veterans begin to assemble in Washington, D.C., in the Bonus Army to request cash bonuses promised to them to be paid in 1945.
1935 – First flight of the Messerschmitt Bf 109 fighter aeroplane.
1939 – The Albanian fascist leader Tefik Mborja is appointed as member of the Italian Chamber of Fasces and Corporations.
1940 – The first flight of the Vought F4U Corsair.
1942 – Bing Crosby, the Ken Darby Singers and John Scott Trotter and his Orchestra record Irving Berlin's "White Christmas", the best-selling single in history.
1945 – First combat mission of the Consolidated B-32 Dominator heavy bomber.
1948 – Creation of the United Nations peacekeeping force the United Nations Truce Supervision Organization.
1950 – The St. Roch, the first ship to circumnavigate North America, arrives in Halifax, Nova Scotia, Canada.
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 question, leading to the formation of the Palestine Liberation Organization.
1969 – General strike in Córdoba, Argentina, leading to the Cordobazo civil unrest.
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.
1982 – Falklands War: British forces defeat the Argentines at the Battle of Goose Green.
1985 – Heysel Stadium disaster: Thirty-nine association football fans die and hundreds are injured when a dilapidated retaining wall collapses.
1985 – Amputee Steve Fonyo completes cross-Canada marathon at Victoria, British Columbia, after 14 months.
1988 – The U.S. President Ronald Reagan begins his first visit to the Soviet Union when he arrives in Moscow for a superpower summit with the Soviet leader Mikhail Gorbachev.
1989 – Signing of an agreement between Egypt and the United States, allowing the manufacture of parts of the F-16 jet fighter plane in Egypt.
1990 – The Russian parliament elects Boris Yeltsin as president of the Russian Soviet Federative Socialist Republic.
1993 – The Miss Sarajevo beauty pageant is held in war torn Sarajevo drawing global attention to the plight of its citizens.
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 representing Sweden wins Eurovision Song Contest 1999 in Jerusalem with the song Take Me to Your Heaven.
2001 – The U.S. Supreme Court rules that the disabled golfer Casey Martin can use a cart to ride in tournaments.
2004 – The National World War II Memorial is dedicated in Washington, D.C.
2008 – A doublet earthquake, of combined magnitude 6.1, strikes Iceland near the town of Selfoss, injuring 30 people.
2012 – A 5.8-magnitude earthquake hits northern Italy near Bologna, killing at least 24 people.