June 21 events in history

533 A Byzantine expeditionary fleet under Belisarius sails from Constantinople to attack the Vandals in Africa, via Greece and Sicily
1307 Külüg Khan is enthroned as Khagan of the Mongols and Wuzong of the Yuan
1529 French forces are driven out of northern Italy by Spain at the Battle of Landriano during the War of the League of Cognac
1582 Sengoku jidai: Oda Nobunaga, the most powerful of the Japanese daimyo, was forced to commit suicide by his own general Akechi Mitsuhide
1621 Execution of 27 Czech noblemen on the Old Town Square in Prague as a consequence of the Battle of White Mountain
1734 In Montreal in New France, a slave known by the French name of Marie-Joseph Angélique is put to death, having been convicted of setting the fire that destroyed much of the city
1749 Halifax, Nova Scotia, is founded
1768 James Otis, Jr. offends the King and Parliament in a speech to the Massachusetts General Court
1788 New Hampshire ratifies the Constitution of the United States and is admitted as the 9th state in the United States
1791 King Louis XVI of France and his immediate family begin the Flight to Varennes during the French Revolution
1798 Irish Rebellion of 1798: The British Army defeats Irish rebels at the Battle of Vinegar Hill
1813 Peninsular War: Battle of Victoria
1824 Greek War of Independence: Egyptian forces capture Psara in the Aegean Sea
1826 Maniots defeat Egyptians under Ibrahim Pasha in the Battle of Vergas
1848 In the Wallachian Revolution, Ion Heliade Rădulescu and Christian Tell issue the Proclamation of Islaz and create a new republican government
1854 The first Victoria Cross is awarded during the bombardment of Bomarsund in the Åland Islands
1864 American Civil War: The Battle of Jerusalem Plank Road begins
1864 New Zealand Land Wars: The Tauranga Campaign ends
1877 The Molly Maguires, ten Irish immigrants convicted of murder, are hanged at the Schuylkill County and Carbon County, Pennsylvania prisons
1898 The United States captures Guam from Spain
1900 Boxer Rebellion. China formally declares war on the United States, Britain, Germany, France and Japan, as an edict issued from the Empress Dowager Cixi
1915 The U.S. Supreme Court hands down its decision in Guinn v. United States 238 US 347 1915, striking down an Oklahoma law denying the right to vote to some citizens
1919 The Royal Canadian Mounted Police fire a volley into a crowd of unemployed war veterans, killing two, during the Winnipeg General Strike
1919 Admiral Ludwig von Reuter scuttles the German fleet in Scapa Flow, Orkney. The nine sailors killed are the last casualties of World War I
1929 An agreement brokered by U.S. Ambassador Dwight Whitney Morrow ends the Cristero War in Mexico
1930 One-year conscription comes into force in France
1940 The first successful west-to-east navigation of Northwest Passage begins at Vancouver, British Columbia, Canada
1942 World War II: Tobruk falls to Italian and German forces
1942 World War II: A Japanese submarine surfaces near the Columbia River in Oregon, firing 17 shells at nearby Fort Stevens in one of only a handful of attacks by Japan against the United States mainland
1945 World War II: The Battle of Okinawa ends when the organized resistance of Imperial Japanese Army forces collapses in the Mabuni area on the southern tip of the main island
1948 Columbia Records introduces the long-playing record album in a public demonstration at the Waldorf-Astoria Hotel in New York, New York
1952 The Philippine School of Commerce, through a republic act, is converted to Philippine College of Commerce, later to be the Polytechnic University of the Philippines
1957 Ellen Fairclough is sworn in as Canada's first female Cabinet Minister
1963 Cardinal Giovanni Battista Montini is elected as Pope Paul VI
1964 Three civil rights workers, Andrew Goodman, James Chaney and Mickey Schwerner, are murdered in Neshoba County, Mississippi, United States, by members of the Ku Klux Klan
1970 Penn Central declares Section 77 bankruptcy, largest ever US corporate bankruptcy up to this date
1973 In handing down the decision in Miller v. California 413 US 15, the Supreme Court of the United States establishes the Miller Test for obscenity in U.S. law
1977 Bülent Ecevit, of the CHP forms the new government of Turkey
1982 John Hinckley is found not guilty by reason of insanity for the attempted assassination of U.S. President Ronald Reagan
2000 Section 28 (of the Local Government Act 1988), outlawing the 'promotion' of homosexuality in the United Kingdom, is repealed in Scotland with a 99 to 17 vote
2001 A federal grand jury in Alexandria, Virginia, indicts 13 Saudis and a Lebanese in the 1996 bombing of the Khobar Towers in Saudi Arabia that killed 19 American servicemen
2004 SpaceShipOne becomes the first privately funded spaceplane to achieve spaceflight
2005 Edgar Ray Killen, who had previously been acquitted for the murders of James Chaney, Andrew Goodman, and Mickey Schwerner, is convicted of manslaughter 41 years afterwards (the case had been reopened in 2004)
2006 Pluto's newly discovered moons are officially named Nix & Hydra
2009 Greenland assumes self-rule