371 BC – The Battle of Leuctra, where Epaminondas defeated Cleombrotus I, takes place
640 – Battle of Heliopolis: The Muslim Arab army under 'Amr ibn al-'As defeat the Byzantine forces near Heliopolis (Egypt).
1044 – The Battle of Ménfő between troops led by Emperor Henry III and Magyar forces led by Samuel Aba, King of Hungary, takes place.
1189 – Richard I "the Lionheart" accedes to the English throne.
1253 – Mindaugas is crowned King of Lithuania.
1348 – Pope Clement VI issues a papal bull protecting the Jews accused of having caused the Black Death.
1411 – Ming China's Admiral Zheng He returns to Nanjing after the third treasure voyage and presents the Sinhalese king, captured during the Ming–Kotte War, to the Yongle Emperor.
1415 – Jan Hus is condemned as a heretic and then burned at the stake.
1483 – Richard III is crowned King of England.
1484 – Portuguese sea captain Diogo Cão finds the mouth of the Congo River.
1495 – First Italian War: Battle of Fornovo: Charles VIII defeats the Holy League.
1535 – Sir Thomas More is executed for treason against King Henry VIII of England.
1557 – King Philip II of Spain, consort of Queen Mary I of England, sets out from Dover to war with France, which eventually resulted in the loss of the City of Calais, the last English possession on the continent, and Mary I never seeing her husband again.
1560 – The Treaty of Edinburgh is signed by Scotland and England.
1573 – Córdoba, Argentina, is founded by Jerónimo Luis de Cabrera.
1573 – French Wars of Religion: Siege of La Rochelle ends.
1614 – Żejtun and the surrounding villages suffer a raid from Ottoman forces. This was the last unsuccessful attempt by the Ottomans to conquer the island of Malta.
1630 – Thirty Years' War: Four thousand Swedish troops under Gustavus Adolphus land in Pomerania, Germany.
1685 – Battle of Sedgemoor: Last battle of the Monmouth Rebellion. troops of King James II defeat troops of James Scott, 1st Duke of Monmouth.
1751 – Pope Benedict XIV suppresses the Patriarchate of Aquileia and establishes from its territory the Archdiocese of Udine and Gorizia.
1777 – American Revolutionary War: Siege of Fort Ticonderoga: After a bombardment by British artillery under General John Burgoyne, American forces retreat from Fort Ticonderoga, New York.
1779 – Battle of Grenada: The French defeat British naval forces during the American Revolutionary War.
1801 – First Battle of Algeciras: Outnumbered French Navy ships defeat the Royal Navy in the fortified Spanish port of Algeciras.
1809 – The second day of the Battle of Wagram; France defeats the Austrian army in the largest battle to date of the Napoleonic Wars.
1854 – In Jackson, Michigan, the first convention of the United States Republican Party is held.
1865 – The first issue of The Nation magazine is published.
1885 – Louis Pasteur successfully tests his vaccine against rabies on Joseph Meister, a boy who was bitten by a rabid dog.
1887 – David Kalākaua, monarch of the Kingdom of Hawaii, is forced at gunpoint by Americans to sign the Bayonet Constitution giving Americans more power in Hawaii while stripping Hawaiian citizens of their rights.
1892 – Dadabhai Naoroji is elected as the first Indian Member of Parliament in Britain.
1892 – Three thousand eight hundred striking steelworkers engage in a day-long battle with Pinkerton agents during the Homestead Strike, leaving ten dead and dozens wounded.
1917 – World War I: Arabian troops led by T. E. Lawrence ("Lawrence of Arabia") and Auda ibu Tayi capture Aqaba from the Ottoman Empire during the Arab Revolt.
1919 – The British dirigible R34 lands in New York, completing the first crossing of the Atlantic Ocean by an airship.
1933 – The first Major League Baseball All-Star Game is played in Chicago's Comiskey Park. The American League defeated the National League 4–2.
1936 – A major breach of the Manchester Bolton & Bury Canal in England sends millions of gallons of water cascading 200 feet (61 m) into the River Irwell.
1937 – Spanish Civil War: Battle of Brunete: The battle begins with Spanish Republican troops going on the offensive against the Nationalists to relieve pressure on Madrid.
1939 – Holocaust: The last remaining Jewish enterprises in Germany are closed.
1940 – Story Bridge, a major landmark in Brisbane, as well as Australia's longest cantilever bridge is formally opened.
1941 – Nazi Germany launches its offensive to encircle several Soviet armies near Smolensk.
1942 – Anne Frank and her family go into hiding in the "Secret Annexe" above her father's office in an Amsterdam warehouse.
1944 – Jackie Robinson refuses to move to the back of a bus, leading to a court-martial.
1944 – The Hartford circus fire, one of America's worst fire disasters, kills approximately 168 people and injures over 700 in Hartford, Connecticut.
1947 – The AK-47 goes into production in the Soviet Union.
1957 – Althea Gibson wins the Wimbledon championships, becoming the first black athlete to do so.
1957 – John Lennon and Paul McCartney meet for the first time, as teenagers at Woolton Fete, three years before forming the Beatles.
1962 – As a part of Operation Plowshare, the Sedan nuclear test takes place.
1962 – The Late Late Show, the world's longest-running chat show by the same broadcaster, airs on RTÉ One for the first time.
1964 – Malawi declares its independence from the United Kingdom.
1966 – Malawi becomes a republic, with Hastings Banda as its first President.
1967 – Nigerian Civil War: Nigerian forces invade Biafra, beginning the war.
1975 – The Comoros declares independence from France.
1986 – Davis Phinney becomes the first American cyclist to win a road stage of the Tour de France.
1988 – The Piper Alpha drilling platform in the North Sea is destroyed by explosions and fires. One hundred sixty-seven oil workers are killed, making it the world's worst offshore oil disaster in terms of direct loss of life.
1989 – The Tel Aviv–Jerusalem bus 405 suicide attack: Fourteen bus passengers are killed when an Arab assaulted the bus driver as the bus was driving by the edge of a cliff.
1990 – Electronic Frontier Foundation is founded.
1995 – In the Bosnian War, under the command of General Ratko Mladić, Serbia begins its attack on the Bosnian town of Srebrenica, and kills more than 8000 Bosniaks, in what then- UN Secretary-General Boutros Boutros-Ghali called "the worst crime on European soil since the Second World War".
1997 – The Troubles: In response to the Drumcree dispute, five days of mass protests, riots and gun battles begin in Irish nationalist districts of Northern Ireland.
1999 – U.S. Army private Barry Winchell dies from baseball-bat injuries inflicted on him in his sleep the previous day by a fellow soldier, Calvin Glover, for his relationship with transgender showgirl and former Navy Corpsman Calpernia Addams.
2003 – The 70-metre Yevpatoria Planetary Radar sends a METI message (Cosmic Call 2) to five stars: Hip 4872, HD 245409, 55 Cancri (HD 75732), HD 10307 and 47 Ursae Majoris (HD 95128). The messages will arrive to these stars in 2036, 2040, 2044, and 2049, respectively.
2006 – The Nathu La pass between India and China, sealed during the Sino-Indian War, re-opens for trade after 44 years.
2013 – At least 42 people are killed in a shooting at a school in Yobe State, Nigeria.
2013 – A Boeing 777 operating as Asiana Airlines Flight 214 crashes at San Francisco International Airport, killing three and injuring 181 of the 307 people on board.
2013 – A 73-car oil train derails in the town of Lac-Mégantic, Quebec and explodes into flames, killing at least 47 people and destroying more than 30 buildings in the town's central area.
