UN Day
United Nations Day for South-South Cooperation

Events of the day
490 BC – Battle of Marathon: The conventionally accepted date for the Battle of Marathon. The Athenians and their Plataean allies, defeat the first Persian invasion force of Greece.
372 – Sixteen Kingdoms: Jin Xiaowudi, age 10, succeeds his father Jin Jianwendi as Emperor of the Eastern Jin Dynasty.
1213 – Albigensian Crusade: Simon de Montfort, 5th Earl of Leicester, defeats Peter II of Aragon at the Battle of Muret.
1229 – The Aragonese army under the command of James I of Aragon disembarks at Santa Ponça, Majorca, with the purpose of conquering the island.
1609 – Henry Hudson begins his exploration of the Hudson River while aboard the Halve Maen.
1683 – Austro-Ottoman War: Battle of Vienna – several European armies join forces to defeat the Ottoman Empire.
1814 – Battle of North Point: an American detachment halts the British land advance to Baltimore in the War of 1812.
1846 – Elizabeth Barrett elopes with Robert Browning.
1847 – Mexican-American War: the Battle of Chapultepec begins.
1848 – Switzerland becomes a Federal state.
1857 – The SS Central America sinks about 160 miles east of Cape Hatteras, North Carolina, drowning a total of 426 passengers and crew, including Captain William Lewis Herndon. The ship was carrying 13–15 tons of gold from the San Francisco Gold Rush.
1874 – The District of Maple Ridge, British Columbia, Canada is founded.
1885 – Arbroath 36–0 Bon Accord, a world record scoreline in professional football.
1890 – Salisbury, Rhodesia, is founded.
1897 – Tirah Campaign: Battle of Saragarhi.
1906 – The Newport Transporter Bridge is opened in Newport, South Wales by Viscount Tredegar.
1910 – Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter)
1919 – Adolf Hitler joins the German Workers Party.
1930 – Wilfred Rhodes ends his 1110-game first-class career by taking 5 for 95 for H.D.G. Leveson Gower's XI against the Australians.
1933 – Leó Szilárd, waiting for a red light on Southampton Row in Bloomsbury, conceives the idea of the nuclear chain reaction.
1938 – Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
1940 – Cave paintings are discovered in Lascaux, France.
1940 – An explosion at the Hercules Powder Company plant in Kenvil, New Jersey kills 51 people and injures over 200.
1942 – World War II: RMS Laconia, carrying civilians, Allied soldiers and Italian POWs is torpedoed off the coast of West Africa and sinks with a heavy loss of life.
1942 – World War II: First day of the Battle of Edson's Ridge during the Guadalcanal campaign. U.S. Marines protecting Henderson Field on Guadalcanal are attacked by Imperial Japanese Army forces.
1943 – World War II: Benito Mussolini, dictator of Italy, is rescued from house arrest on the Gran Sasso in Abruzzi, by German commando forces led by Otto Skorzeny.
1944 – World War II: The liberation of Serbia from Nazi Germany and the Chetniks continues. Bajina Bašta in western Serbia is among those liberated cities. Near Trier, American troops enter Germany for the first time.
1948 – Invasion of the State of Hyderabad by the Indian Army on the day after the Pakistani leader Jinnah's death.
1952 – Strange occurrences, including a monster sighting, take place in Flatwoods, West Virginia.
1958 – Jack Kilby demonstrates the first integrated circuit.
1959 – Premiere of Bonanza, the first regularly scheduled TV program presented in color.
1959 – The Soviet Union launches a large rocket, Lunik II, at the moon.
1961 – The African and Malagasy Union is founded.
1964 – Canyonlands National Park is designated as a National Park.
1966 – Gemini 11, the penultimate mission of NASA's Gemini program, and the current human altitude record holder (except for the Apollo lunar missions)
1970 – Palestinian terrorists blow up three hijacked airliners in Jordan, continuing to hold the passengers hostage in various undisclosed locations in Amman.
1974 – Emperor Haile Selassie of Ethiopia, 'Messiah' of the Rastafari movement, is deposed following a military coup by the Derg, ending a reign of 58 years.
1974 – Juventude Africana Amilcar Cabral is founded in Guinea-Bissau.
1977 – South African anti-apartheid activist Steve Biko is killed in police custody.
1979 – Indonesia is hit with an earthquake that measures 8.1 on the Richter scale.
1980 – Military coup in Turkey.
1983 – A Wells Fargo depot in West Hartford, Connecticut, United States, is robbed of approximately US$7 million by Los Macheteros.
1983 – The USSR vetoes a UN Security Council Resolution deploring the Soviet shooting down of a Korean civilian jetliner on September 1.
1984 – Dwight Gooden sets the baseball record for strikeouts in a season by a rookie with 246, previously set by Herb Score in 1954. Gooden's 276 strikeouts that season, pitched in 218 innings, set the current record.
1988 – Hurricane Gilbert devastates Jamaica; it turns towards Mexico's Yucatán Peninsula 2 days later, causing an estimated $5 billion in damage.
1990 – The two German states and the Four Powers sign the Treaty on the Final Settlement With Respect to Germany in Moscow, paving the way for German re-unification.
1992 – NASA launches Space Shuttle Endeavour on STS-47 which marked the 50th shuttle mission. On board are Mae Carol Jemison, the first African-American woman in space, Mamoru Mohri, the first Japanese citizen to fly in a US spaceship, and Mark Lee and Jan Davis, the first married couple in space.
1992 – Abimael Guzmán, leader of the Shining Path, is captured by Peruvian special forces; shortly thereafter the rest of Shining Path's leadership fell as well.
1994 – Frank Eugene Corder crashes a single-engine Cessna 150 into the White House's south lawn, striking the West wing and killing himself.
1999 – Indonesia announces it will allow international peace-keepers into East Timor.
2001 – Ansett Australia, Australia's first commercial interstate airline, collapses due to increased strain on the international airline industry, leaving 10,000 people unemployed.
2003 – The United Nations lifts sanctions against Libya after that country agreed to accept responsibility and recompense the families of victims in the 1988 bombing of Pan Am Flight 103.
2003 – In Fallujah, US forces mistakenly shoot and kill eight Iraqi police officers.
2005 – Hong Kong Disneyland opens in Penny's Bay, Lantau Island, Hong Kong.
2007 – Former Philippine President Joseph Estrada is convicted of the crime of plunder.
2008 – The 2008 Chatsworth train collision in Los Angeles between a Metrolink commuter train and a Union Pacific freight train kills 25 people.

Holidays and observances

Christian Feast Day:
Ailbe of Emly
Guy of Anderlecht
Holy Name of Mary
Laisrén mac Nad Froích
Sacerdos of Lyon
September 12 (Eastern Orthodox liturgics)
Commemoration of the mass hanging of the Saint Patrick's Battalion. (Mexico)
Defenders Day (Maryland)
Earliest date on which Programmers' Day can fall, while September 13 is the latest, celebrated on the 256th day of the year. (Russia and programmers around the world)
National Day (Cape Verde)
National Revolution Day (Ethiopia)

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