1420Troops of the Republic of Venice capture Udine, ending the independence of the Patria del Friuli.
1494Spain and Portugal sign the Treaty of Tordesillas which divides the New World between the two countries.
1614The second parliament of James I of England ends after two months of deadlock and without passing any bills.
1628The Petition of Right, a major English constitutional document, is granted royal assent by Charles I and becomes law.
1640Corpus de Sang in Barcelona: Catalan reapers riot against Spanish Royal soldiers and officers, killing the Viceroy of Catalonia, Dalmau de Queralt. Escalation of hostilities between the Principality of Catalonia and the Spanish Monarchy, leading to the Reapers' War.
1788French Revolution: Day of the Tiles: Civilians in Grenoble toss roof tiles and various objects down upon royal troops.
1800David Thompson reaches the mouth of the Saskatchewan River in Manitoba.
1810The newspaper Gazeta de Buenos Ayres is first published in Argentina.
1832The Great Reform Act of England and Wales receives royal assent.
1832Asian cholera reaches Quebec, brought by Irish immigrants, and kills about 6,000 people in Lower Canada.
1862The United States and the United Kingdom agree in the Lyons–Seward Treaty to suppress the African slave trade.
1866One thousand eight hundred Fenian raiders are repelled back to the United States after looting and plundering the Saint-Armand and Frelighsburg areas of Canada East.
1880War of the Pacific: The Battle of Arica, the assault and capture of Morro de Arica (Arica Cape), ends the Campaña del Desierto (Desert Campaign).
1892Homer Plessy is arrested for refusing to leave his seat in the "whites-only" car of a train; he lost the resulting court case, Plessy v. Ferguson.
1899American Temperance crusader Carrie Nation begins her campaign of vandalizing alcohol-serving establishments by destroying the inventory in a saloon in Kiowa, Kansas.
1905Norway's parliament dissolves its union with Sweden. The vote was confirmed by a national plebiscite on August 13 of that year.
1906Cunard Line's is launched from the John Brown Shipyard, Glasgow (Clydebank), Scotland.
1917World War I: Battle of Messines: Allied soldiers detonate a series of mines underneath German trenches at Messines Ridge, killing 10,000 German troops.
1919Sette Giugno: Nationalist riots break out in Valletta, the capital of Malta. British soldiers fire into the crowd, killing four people.
1929The Lateran Treaty is ratified, bringing Vatican City into existence.
1938The Douglas DC-4E makes its first test flight.
1940King Haakon VII, Crown Prince Olav and the Norwegian government leave Tromsø and go into exile in London. They return exactly five years later.
1942World War II: The Battle of Midway ends in American victory.
1942World War II: Aleutian Islands Campaign: Imperial Japanese soldiers begin occupying the American islands of Attu and Kiska, in the Aleutian Islands off Alaska.
1944World War II: Battle of Normandy: At Ardenne Abbey, members of the SS Division Hitlerjugend massacre 23 Canadian prisoners of war.
1946The United Kingdom's BBC returns to broadcasting its television service, which has been off air for seven years because of World War II.
1948Anti-Jewish riots in Oujda and Jerada take place.
1948Edvard Beneš resigns as President of Czechoslovakia rather than signing the Ninth-of-May Constitution, making his nation a Communist state.
1955Lux Radio Theatre signs off the air permanently. The show launched in New York in 1934, and featured radio adaptations of Broadway shows and popular films.
1962The Organisation Armée Secrète (OAS) sets fire to the University of Algiers library building, destroying about 500,000 books.
1965The Supreme Court of the United States hands down its decision in Griswold v. Connecticut, prohibiting the states from criminalizing the use of contraception by married couples.
1971The United States Supreme Court overturns the conviction of Paul Cohen for disturbing the peace, setting the precedent that vulgar writing is protected under the First Amendment to the United States Constitution.
1971The Alcohol, Tobacco, and Firearms Division of the U.S. Internal Revenue Service raids the home of Ken Ballew for illegal possession of hand grenades.
1971Allegheny Airlines Flight 485 crashes on approach to Tweed New Haven Airport in New Haven, Connecticut, killing 28 of 31 aboard.
1975Sony launches Betamax, the first videocassette recorder format.
1977Five hundred million people watch the high day of the Silver Jubilee of Queen Elizabeth II begin on television.
1981The Israeli Air Force destroys Iraq's Osiraq nuclear reactor during Operation Opera.
1982Priscilla Presley opens Graceland to the public; the bathroom where Elvis Presley died five years earlier is kept off-limits.
1989Surinam Airways Flight 764 crashes on approach to Paramaribo-Zanderij International Airport in Suriname because of pilot error, killing 176 of 187 aboard.
1991Mount Pinatubo erupts, generating an ash column high.