| | 972 - Battle of Cedynia, near Cedynia. Polish forces have had their first documented victory. |
| | 1128 - Battle of São Mamede, near Guimarães. Portuguese forces led by Alfonso I defeat his mother D.Teresa and D.Fernão Peres de Trava. After this battle, the future king calls himself "Prince of Portugal", the first step towards "official independence" in 1143. |
| | 1314 - End of the Battle of Bannockburn. Scottish forces led by Robert the Bruce defeat Edward II of England. Scotland regains its independence. |
| | 1340 - Hundred Years' War: Battle of Sluys The French fleet was almost totally destroyed by the English Fleet commanded in person by Edward III of England. |
| | 1374 - A sudden outbreak of St. John's Dance causes people in the streets of Aachen, Germany, to experience hallucinations and begin to jump and twitch uncontrollably until they collapse from exhaustion. |
| | 1441 - Eton College founded. |
| | 1497 - John Cabot lands on North America in Newfoundland; first European exploration of the region since the Vikings. |
| | 1497 - Cornish traitors Michael An Gof and Thomas Flamank executed at Tyburn, London |
| | 1509 - Henry VIII and Catherine of Aragon crowned King and Queen of England. |
| | 1534 - Jacques Cartier makes the European discovery of Prince Edward Island. |
| | 1535 - The Anabaptist state of Münster is conquered and disbanded. |
| | 1597 - The first Dutch voyage to the East Indies reaches Bantam (on Java). |
| | 1662 - Dutch attempt but fail to capture Macau. |
| | 1664 - The colony of New Jersey is founded. |
| | 1692 - Kingston, Jamaica is founded. |
| | 1793 - First republican constitution in France adopted. |
| | 1794 - Bowdoin College is founded. |
| | 1812 - Napoleonic Wars: Napoleon's Grande Armée crosses the Neman River beginning his invasion of Russia. |
| | 1813 - Battle of Beaver Dams : A British, and Indian joint force defeat the U.S Army. |
| | 1821 - Battle of Carabobo - Battle of Carabobo was the decisive battle in the war of independence of Venezuela from Spain. |
| | 1859 - Battle of Solferino: (Battle of the Three Sovereigns). Sardinia and France defeat Austria in Solferino, northern Italy. |
| | 1880 - First performance of O Canada, the song that would become the national anthem of Canada, at the Congrès national des Canadiens-Français. |
| | 1894 - The IOC decides to hold the Olympic Games every four years. |
| | 1894 - Marie Francois Sadi Carnot assassinated by Sante Jeronimo Caserio. |
| | 1901 - First exhibition of Pablo Picasso's work opens. |
| | 1902 - King Edward VII of the United Kingdom develops appendicitis, delaying his coronation. |
| | 1913 - Greece and Serbia annul their alliance with Bulgaria. |
| | 1913 - Joseph Cook becomes the 6th Prime Minister of Australia. |
| | 1916 - Mary Pickford becomes first female film star to get million dollar contract. |
| | 1916 - Battle of the Somme begins with a week long artillery bombardment on the German Line. |
| | 1918 - First airmail service in Canada from Montreal to Toronto. |
| | 1928 - With declining business, the Great Gorge and International Railway begins using one-person crews on trolley operations in Canada |
| | 1932 - A military coup ends the absolute power of the king of Siam (Thailand). |
| | 1940 - France and Italy sign an armistice. |
| | 1945 - Moscow Victory Parade |
| | 1946 - Georges Bidault becomes Prime Minister of France. |
| | 1948 - Start of the Berlin Blockade. The Soviet Union makes overland travel between the West with West Berlin impossible. |
| | 1949 - The first Television Western, Hopalong Cassidy, is aired on NBC starring William Boyd. |
| | 1957 - The U.S. Supreme Court rules that obscenity is not protected by the First Amendment. |
| | 1963 - Zanzibar is granted internal self-government by the UK. |
| | 1975 - An Eastern Air Lines Boeing 727 crashes at John F. Kennedy Airport, New York. 113 people die. |
| | 1978 - The first Sydney Gay and Lesbian Mardi Gras is held in Australia. |
| | 1981 - What would be the world's longest single-span suspension bridge for 17 years, the Humber Bridge opens, connecting Yorkshire and Lincolnshire. |
| | 1983 - Space Shuttle program: STS-7 Mission Sally Ride, first female American astronaut, returns to earth. |
| | 1983 - Yasir Arafat banned from Damascus. |
| | 1993 - Yale computer science professor Dr. David Gelernter loses the sight in one eye, the hearing in one ear, and part of his right hand after receiving a mailbomb from the Unabomber. |
| | 2002 - The Igandu train disaster in Tanzania kills 281, the worst train accident in African history. |
| | 2004 - Habib Dodo, the general secretary of the Communist Youth of Côte d'Ivoire is assassinated by pro-government forces. |
| | 2004 - In New York, the death penalty was declared unconstitutional. |