All articles starting with S
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September 2022 Armenia–Azerbaijan clashes
Two-day border fighting of 12–15 September 2022, when Azerbaijani forces attacked Armenia proper, the deadliest escalation since the 2020 Nagorno-Karabakh war, killing several hundred soldiers and displacing thousands.
September 2026 AI stock selloff
The September 2026 AI stock selloff was a worldwide drop in AI-linked stocks beginning 14 September 2026, after leading AI lab CEOs called for slowing AI development.
September 21
September 21, the 264th day of the year, hosts the UN International Day of Peace (fixed date since 2002) and national days of Malta (1964), Belize (1981), and Armenia (1991 referendum).
September 21 (film)
September 21 (ಸೆಪ್ಟೆಂಬರ್ 21) is a 2026 Kannada-Hindi bilingual drama directed by debutant Karen Kshiti Suvarna about Alzheimer's caregiving, starring Priyanka Upendra and Pravin Singh Sisodia; released 22 May 2026, screened at Cannes Marché du Film, streamed on Sun NXT from 14 August 2026.
September 22
September 22, the 265th day of the Gregorian year, is the earliest possible date of the September equinox and the anniversary of Lincoln's 1862 preliminary Emancipation Proclamation, Bulgaria's and Mali's independence days, and the start of the Iran-Iraq War in 1980.
September 23
September 23, the 266th day of the year: date of the 1846 Neptune discovery, Nintendo's 1889 founding, Nixon's 1952 Checkers speech, Saudi National Day 1932, and the International Day of Sign Languages.
September 25
September 25, the 268th day of the Gregorian year: Battle of Stamford Bridge (1066), Balboa sighting the Pacific (1513), Bill of Rights passage (1789), Little Rock Nine school escort (1957), plus moon festivals and national observances.
September 27
September 27, the 270th day of the Gregorian year, is World Tourism Day (UNWTO Statutes adopted 1970). Key events: Jesuits chartered 1540, Rosetta Stone decipherment announced 1822, Tripartite Pact 1940, Kabul fell to the Taliban 1996, Nasrallah killed 2024.
September 28
September 28 is the 271st day of the Gregorian year, notable for Fleming's 1928 discovery of penicillin, William the Conqueror's 1066 landing at Pevensey, the 1781 Siege of Yorktown, the 1924 first round-the-world flight, World Rabies Day, and Hurricane Ian's 2022 Florida landfall.
September 29
September 29, the 272nd day of the year and Michaelmas. Notable events: Richard II's 1399 abdication, the 1829 founding of London's Metropolitan Police, the 1941 Babi Yar massacre, CERN's 1954 establishment, and the 1988 STS-26 shuttle return to flight.
September 3
September 3, the 246th day of the year, is the date of the 1783 Treaty of Paris, the 1939 Anglo-French declaration of war on Germany, Fleming's 1928 penicillin discovery, Viking 2's 1976 Mars landing, and San Marino's Foundation Day.
September 30
September 30 is the date of the 1938 Munich Agreement, the 1949 end of the Berlin Airlift, Botswana's 1966 independence, and the USS Nautilus's commissioning in 1954.
September 4
September 4, the 247th day of the Gregorian year, hosts National Wildlife Day, Janmashtami in some years, and events from the 476 fall of the Western Roman Empire to the 1781 founding of Los Angeles and 1998 founding of Google.
September 5
September 5, the 248th day of the year, marks the 1774 First Continental Congress, the 1882 first Labor Day parade, the 1972 Munich Olympics massacre, and Voyager 1's 1977 launch.
September 5 (film)
September 5 is Tim Fehlbaum's 2024 thriller about ABC Sports' live control-room coverage of the 1972 Munich Olympics hostage crisis, starring Peter Sarsgaard and John Magaro, an Oscar-nominated drama.
September 6
September 6 is the 249th day of a common year in the Gregorian calendar, marking the first circumnavigation's completion in 1522 and the First Battle of the Marne's opening in 1914.
September 7
September 7, the 250th day of the Gregorian year, marks the 1776 Turtle submarine attack, the 1940 start of the Blitz on London, and the 1977 Torrijos–Carter Panama Canal treaties.
September 8
September 8 is the 251st day of the year, marked by the Ford pardon of Nixon (1974), the Galveston hurricane (1900), the death of Queen Elizabeth II (2022), International Literacy Day, and the national days of Andorra and North Macedonia.
September 9
September 9 is the 252nd day of the Gregorian year. Key events: naming of the United States (1776), California statehood (1850), founding of North Korea (1948), Attica uprising (1971), Elizabeth II's longest-reign milestone (2015).
September equinox
The September equinox, also called the southward equinox, is the moment the Sun crosses the celestial equator southward, around September 22, starting autumn in the Northern Hemisphere.
September Massacres
The September Massacres were the killing of 1,100 to 1,400 prisoners in Paris by sans-culotte mobs over five days in September 1792, during the French Revolution.
September Revolution
The September Revolution (Revolución de Septiembre) was the September 1924 military intervention in Chile in which young army officers forced President Arturo Alessandri to resign and dissolved Congress.
September Uprising
The September Uprising (Септемврийско въстание) was an armed rebellion organized by the Bulgarian Communist Party in September 1923 against the government of Alexander Tsankov, and was crushed within about a week.
Septemberprogramm
Septemberprogramm (September Programme, September Memorandum): secret war-aims memorandum drafted by Chancellor Bethmann Hollweg on 9 September 1914, demanding French annexations, a vassal Belgium, and Mitteleuropa hegemony; rediscovered by Fischer in 1961.
Septembers of Shiraz
Septembers of Shiraz is a 2015 American drama directed by Wayne Blair, adapted from Dalia Sofer's novel, starring Adrien Brody and Salma Hayek as a Jewish family persecuted after Iran's 1979 revolution; critically panned (Metascore 16).
Septerra Core
Septerra Core: Legacy of the Creator is a 1999 Windows Japanese-style RPG by Chicago's Valkyrie Studios, set on seven World Shells around a bioorganic computer Core, with Fate Card combo combat; Metascore 70, later re-released on Steam and GOG.
Septeuil
Septeuil (La Féerie, Yvelines): Gallo-Roman spring sanctuary built late 1st or early 2nd century AD, converted into a mithraeum in the 4th century; nymph statue, Mithraic reliefs, excavated 1984-1988.
Septic arthritis
Septic arthritis, also called infectious or bacterial arthritis, is a joint infection, usually by Staphylococcus aureus, most often in the knee; treated as an emergency with joint drainage and intravenous antibiotics.
Septic drain field
A septic drain field, also called a leach field, is the part of an onsite septic system where perforated pipes release effluent into soil that filters it before it reaches groundwater.
Septic sacroiliitis
Septic sacroiliitis is a pyogenic bacterial infection of the sacroiliac joint at the back of the pelvis, rare and often mistaken for lumbar disc herniation.