1097 Battle of Dorylaeum: Crusaders under Bohemond of Taranto defeated a Seljuk army under Qilich Arslan I.
1520 La Noche Triste: Joint Mexican Indian force led by Aztecs under Cuitláhuac defeated Spanish Conquistadors under Hernán Cortés.
1569 Union of Lublin: The Kingdom of Poland and Great Duchy of Lithuania confirm a real union, the united country was called the Polish-Lithuanian Commonwealth or the Republic of Both Nations.
1690 Glorious Revolution: Battle of the Boyne ( in Julian calendar).
1770 Lexell’s Comet passed closer to the Earth than any other comet in recorded history, approaching to a distance of 0.0146 a.u.
1782 American privateers attacked Lunenburg, Nova Scotia.
1837 A system of the civil registration of births, marriages and deaths was established in England and Wales.
1855 Quinault Treaty signed, Quinault and Quileute ceded their land to the United States.
1858 The joint reading of Charles Darwin and Alfred Russel Wallace’s papers on evolution to the Linnean Society.
1862 The Russian State Library was founded.
1862 American Civil War: The Battle of Malvern Hill – final battle in the Seven Days Campaign, part of the George B. McClellan’s Peninsula Campaign.
1863 Keti Koti, Emancipation Day in Suriname, marking the abolition of slavery by the Netherlands.
1863 – American Civil War: The Battle of Gettysburg began.
1867 The British North America Act, 1867 took effect as the Constitution of Canada, creating the Canadian Confederation and the federal dominion of Canada; John A. Macdonald was sworn in as the first Prime Minister.
1869 William Strunk Jr., American grammarian, was born (d. 1946).
1881 The world’s first international telephone call was made between St. Stephen, New Brunswick, Canada, and Calais, Maine., United States.
1881 General Order 70, the culmination of the Cardwell-Childers reforms of the British Army, came into effect.
1885 The United States terminated reciprocity and fishery agreement with Canada.
1892 The Homestead Strike, a strike by the Amalgamated Association of Iron and Steel Workers against the Carnegie Steel Company, began.
1898 Spanish-American War: The Battle of San Juan Hill was fought in Santiago de Cuba.
1899 Thomas A. Dorsey, American composer, was born (d. 1993).
1899 Charles Laughton, English actor, was born (d. 1962).
1903 Amy Johnson, English pilot, was born (d. 1941).
1906 Estée Lauder, American entrepreneur, was born (d. 2004).
1908 SOS was adopted as the international Distress signal.
1916 Olivia de Havilland, Japanese-born British-American actress, was born.
1916 World War I: First day on the Somme – On the first day of the Battle of the Somme 19,000 soldiers of the British Army were killed and 40,000 wounded.
1921 The Communist Party of China was founded.
1928 Bobby Day, American musician was born, (d 1990).
1931 United Airlines began service (as Boeing Air Transport).
1933 The Canadian Parliament suspended all Chinese immigration.
1934 Jean Marsh, English actress, was born.
1934 Sydney Pollack, American film director, was born (d. 2008).
1935 – Grant Park Music Festival began its tradition of free summer symphonic music concert series in Chicago’s Grant Park which continues as the United States’ only annual free outdoor classical music concert series.
1942 World War II: First Battle of El Alamein.
1942 Australian Federal Government became sole collector of Income Tax (State Income Tax Abolished).
1945 Deborah Harry, American musician (Blondie), was born.
1947 The Philippine Air Force was established.
1948 Quaid-i-Azam inaugurated Pakistan’s central bank, the State Bank of Pakistan.
1951 Fred Schneider, American singer (The B-52′s), was born.
1952 Dan Aykroyd, Canadian actor, was born.
1953 Jadranka Kosor, Prime Minister of Croatia, was born.
1953 – Lawrence Gonzi, Maltese Prime Minister, was born.
1958 The Canadian Broadcasting Corporation linked television broadcasting across Canada via microwave.
1958 Flooding of Canada’s St. Lawrence Seaway began.
1959 The Party of the African Federation held its constitutive conference.
1959 Specific values for the international yard, avoirdupois pound and derived units (e.g. inch, mile and ounce) were adopted after agreement between the U.S., U.K. and other commonwealth countries.
1960 Independence of Somalia.
1961 Diana, Princess of Wales, was born (d. 1997).
1962 Independence of Rwanda.
1962 Independence of Burundi.
1963 ZIP Codes were introduced for United States mail.
1963 – The British Government admitted that former diplomat Kim Philby had worked as a Soviet agent.
1967 – The European Community was formally created out of a merger with the Common Market, the European Coal and Steel Community, and the European Atomic Energy Commission.
1967 – Canada celebrated the 100th anniversary of the British North America Act, 1867, which officially made Canada its own federal dominion.
1968 The CIA’s Phoenix Program was officially established.
1968 – The Nuclear non-proliferation treaty was signed in Washington, D.C., London and Moscow by sixty-two countries.
1970 President General Yahya Khan abolished One-Unit of West Pakistan restoring the provinces.
1972 The first Gay Pride march in England.
1976 Portugal granted autonomy to Madeira.
1978 – Beatrice Tinsley became the first woman to be appointed as Professor of Astronomy at Yale University.
1978 The Northern Territory in Australia is granted Self-Government.
1979 Sony introduced the Walkman.
1980 O Canada officially became the national anthem of Canada.
1981 The Wonderland Murders occurred in the early morning hours, allegedly masterminded by businessman and drug dealer Eddie Nash.
1988 The government announced that it had agreed to the Waitangi Tribunal’s recommendation that Bastion Point in Auckland be returned to Ngati Whatua ownership.
1991 The Warsaw Pact was officially dissolved at a meeting in Prague.
1997 China resumed sovereignty over the city-state of Hong Kong, ending 156 years of British colonial rule.
1999 The Scottish Parliament was officially opened by Queen Elizabeth on the day that legislative powers were officially transferred from the old Scottish Office in London to the new devolved Scottish Executive in Edinburgh.
2000 – The Oresund Bridge, connecting Sweden and Denmark, opened for traffic.
2002 The International Criminal Court was established to prosecute individuals for genocide, crimes against humanity, war crimes, and the crime of aggression.
2002 – A Bashkirian Airlines (flight 2937) Tupolev TU-154 and a DHL Boeing 757 collided in mid-air over Ueberlingen, killing 71.
2004 Saturn Orbit insertion of Cassini-Huygens began at 01:12 UTC and ended at 02:48 UTC.
2006 – The first operation of Qinghai-Tibet Railway in China.
2007 Smoking in England was banned in all public indoor spaces. With the ban already in force in Wales, Scotland and Northern Ireland, this means it is illegal to smoke in indoor public places anywhere in the UK. The ban was also put into effect in Australia.
2008 Rioting erupted in Mongolia in response to allegations of fraud surrounding the 2008 legislative elections.
2013 – The United Nations mission MINUSMA began its operative mandate in Mali.
2015 – Militants launched attacks on Egyptian Armed Forces checkpoints in North Sinai, leaving dozens of security personnel and insurgents killed.
Sourced from NZ History Online & Wikipedia