972 Battle of Cedynia, the first documented victory of Polish forces.
1128 Battle of São Mamede, near Guimarães:Portuguese forces led by Alfonso I defeated his mother D. Teresa and D. Fernão Peres de Trava.
1314 First War of Scottish Independence: The Battle of Bannockburn concluded with a decisive victory of the Scottish forces led by Robert the Bruce, though England did not recognise Scottish independence until 1328 with the signing of the Treaty of Edinburgh-Northampton.
1340 Hundred Years’ War: Battle of Sluys: The French fleet was almost destroyed by the English Fleet commanded in person by Edward III of England.
1374 A sudden outbreak of St. John’s Dance caused people in the streets of Aachen, Germany, to experience hallucinations and began to jump and twitch uncontrollably until they collapsed from exhaustion.
1441 King Henry VI founded Eton College.
1497 John Cabot landed in North America at Newfoundland; the first European exploration of the region since the Vikings.
1542 St. John of the Cross, Spanish Carmelite mystic and poet, was born (d. 1591).
1571 Miguel Lopez de Legazpi founded Manila, the capital of the Republic of the Philippines.
1597 The first Dutch voyage to the East Indies reached Bantam (on Java).
1662 The Dutch attempted but failed to capture Macau.
1664 The colony of New Jersey was founded.
1692 Kingston, Jamaica was founded.
1717 The Premier Grand Lodge of England, the first Masonic Grand Lodge in the world (now the United Grand Lodge of England), was founded in London.
1748 John Wesley and his brother Charles Wesley opened the Kingswood School in Bristol.
1771 – Éleuthère Irénée du Pont, French chemist and businessman, founded DuPont, was born (d. 1834).
1793 The first Republican constitution in France was adopted.
1794 Bowdoin College was founded.
1812 Napoleonic Wars: Napoleon’s Grande Armée crossed the Neman River beginning his invasion of Russia.
1813 Henry Ward Beecher, American clergyman and reformer, was born (d. 1887).
1813 Battle of Beaver Dams : A British and Indian combined force defeat the U.S Army.
1821 The Battle of Carabobo took place – the decisive battle in the war of independence of Venezuela from Spain.
1850 – Herbert Kitchener, 1st Earl Kitchener, Irish field marshal and politician, Governor-General of Sudan, was born (d. 1916).
1859 Battle of Solferino: (Battle of the Three Sovereigns). Sardinia and France defeat Austria in Solferino, northern Italy.
1866 Battle of Custoza: an Austrian army defeats the Italian army during the Austro-Prussian War.
1867 – Ruth Randall Edström, American educator and activist, was born (d. 1944).
1880 First performance of O Canada, the song that became the national anthem of Canada, at the Congrès national des Canadiens-Français.
1893 Roy O. Disney, a founder of the Walt Disney Company, was born (d. 1971).
1901 First exhibition of Pablo Picasso‘s work opened.
1902 King Edward VII developed appendicitis, delaying his coronation.
1905 NZ Truth was launched.
1912 – Mary Wesley, English author , was born (d. 2002).
1914 – Pearl Witherington, French secret agent, was born (d. 2008).
1915 – Fred Hoyle, English astronomer and author, was born (d. 2001).
1916 Mary Pickford became the first female film star to get a million dollar contract.
1916 World War I: The Battle of the Somme began with a week long artillery bombardment on the German Line.
1918 First airmail service in Canada from Montreal to Toronto.
1918 – Mildred Ladner Thompson, American journalist and author, was born (d. 2013).
1922 The American Professional Football Association formally changed its name to the National Football League.
1923 – Margaret Olley, Australian painter and philanthropist, was born (d. 2011).
1928 With declining business, the International Railway (New York – Ontario) began using one-person crews on trolley operations in Canada.
1938 Pieces of a meteor, estimated to have weighed 450 metric tons when it hit the Earth’s atmosphere and exploded, land near Chicora, Pennsylvania.
1944 Jeff Beck, English musician (The Yardbirds).
1945 The Moscow Victory Parade took place.
1947 – Clarissa Dickson Wright, English chef, author, and academic was born (d. 2014).
1947 Mick Fleetwood, English musician (Fleetwood Mac), was born.
1947 Kenneth Arnold made the first widely reported UFO sighting near Mount Rainier, Washington.
1947 – Patrick Moraz, Swiss keyboard player (Yes) was born.
1948 Start of the Berlin Blockade. The Soviet Union makes overland travel between the West with West Berlin impossible.
1949 John Illsley, English bassist (Dire Straits) was born.
1951 – Raelene Boyle, Australian sprinter, was born.
1957 In Roth v. United States, the U.S. Supreme Court ruled that obscenity was not protected by the First Amendment .
1961 – Iain Glen, Scottish actor, was born.
1961 Curt Smith, English musician and songwriter (Tears for Fears), was born.
1963 The United Kingdom granted Zanzibar internal self-government.
1975 An Eastern Air Lines Boeing 727 crashed at John F. Kennedy Airport, New York. 113 people died.
1981 The Humber Bridge was opened to traffic, connecting Yorkshire and Lincolnshire.
1982 British Airways Flight 9, sometimes referred to as “the Jakarta incident”, flew into a cloud of volcanic ash thrown up by the eruption of Mount Galunggung, resulting in the failure of all four engines.
1994 A United States Air Force B-52 aircraft crashed at Fairchild Air Force Base, killing all four members of its crew.
2002 The Igandu train disaster in Tanzania killed 281, the worst train accident in African history.
2004 In New York state, capital punishment was declared unconstitutional.
2007 The Angora Fire started near South Lake Tahoe, California destroying 200+ structures in its first 48 hours.
2010 – John Isner of the United States defeated Nicolas Mahut of France at Wimbledon, in the longest match in professional tennis history.
2012 – The last known individual of Chelonoidis nigra abingdonii, a subspecies of the Galápagos tortoise, died, making the species extinct.
2013 – Former Italian Prime Minister Silvio Berlusconi was found guiltyof abusing his power and having sex with an underage prostitute, and was sentenced to seven years in prison.
Sourced from NZ History Online & Wikipedia