On this day1 story
September 27th.
1 story on this exact date, across the years, plus 44 more from the surrounding weeks.
The surrounding week
13 stories within seven days of 27 September
1 October 1880Wikipedia · "Melbourne International Exhibition"Melbourne International ExhibitionAustralia
331 BCEWikipedia · "Battle of Gaugamela"Battle of GaugamelaIraq
2 October 1944Wikipedia · "Warsaw Uprising"Warsaw UprisingPoland
3 October 1935Wikipedia · "Second Italo-Ethiopian War"Italian Invasion of EthiopiaItaly
4 October 2001Wikipedia · "Siberia Airlines Flight 1812"Siberia Airlines Flight 1812
21 September 2001Wikipedia · "Murder of Ross Parker"Murder of Ross Parker
22 September 1980Wikipedia · "Iran–Iraq War"Iran-Iraq War BeginsIran
23 September 1803Wikipedia · "Battle of Assaye"Battle of AssayeIndia
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23 September 1122Wikipedia · "Concordat of Worms"Concordat of WormsGermany
25 September 1787Wikipedia · "Constitutional Convention (United States)"American Constitutional ConventionUnited States
25 September 1555Wikipedia · "Peace of Augsburg"Peace of AugsburgGermany
28 September 1066Wikipedia · "Norman Conquest"Norman Conquest of EnglandEngland
30 September 1938"Hyde Park" by Leonard Bentley is licensed under CC BY-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/2.0/.Munich Agreement SignedGermany
Elsewhere in September
30 stories
1 September 1939Wikipedia · "Invasion of Poland"Germany Invades PolandGermany
1 September 1939Wikipedia · "World War II"Second World War DeclaredUnited Kingdom
1 September 1870Wikipedia · "Battle of Sedan"Battle of SedanFrance
2 September 1945Army Signal Corps · via WikipediaJapanese Surrender in WWIIJapan
2 September 1666"Inside the Great Fire of London Monument. The top is hollow as it was once used as an observatory. Plans are in place to open up the scientific basement level." by John K Thorne is marked with CC0 1.0. To view the terms, visit https://creativecommons.org/publicdomain/zero/1.0/.Great Fire of LondonEngland
3 September 1943Wikipedia · "Armistice of Cassibile"Italian Surrender & ArmisticeItaly
3 September 1783Wikipedia · "Treaty of Paris (1783)"Treaty of Paris (1783)France
5 September 1972Wikipedia · "Munich massacre"Munich Olympic MassacreGermany
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5 September 1905Wikipedia · "Treaty of Portsmouth"Treaty of Portsmouth SignedUnited States
5 September 1774Wikipedia · "Continental Congress"Continental Congress ConvenesUnited States
5 September 394 CEWikipedia · "Battle of the Frigidus"Battle of the Frigidus RiverRoman Empire
7 September 1822Wikipedia · "Independence of Brazil"Brazilian Declaration of IndependenceBrazil
7 September 1812Wikipedia · "Battle of Borodino"Battle of BorodinoRussia- 8 September 1951Japanese Peace Treaty SignedJapan
8 September 1914Wikipedia · "First Battle of the Marne"First Battle of the MarneFrance
9 September 1940Wikipedia · "French invasion of Egypt and Syria"Italian Invasion of EgyptItaly
9 September 1919Wikipedia · "Boston police strike"Boston Police StrikeUnited States
10 September 1976Wikipedia · "1976 Zagreb mid-air collision"1976 Zagreb mid-air collision
11 September 2001U.S. National Park Service - view of the burning WTC from Liberty Island, morning of September 11, 2001. Public domain.The September 11 AttacksWorld Trade Center, New York
11 September 1973Wikipedia · "1973 Chilean coup d'état"1973 Chile Military CoupChile
12 September 1683Wikipedia · "Battle of Vienna"Siege of ViennaAustria
13 September 1759Wikipedia · "Battle of the Plains of Abraham"Battle of the Plains of AbrahamCanada
14 September 1930Wikipedia · "1930 German federal election"German Federal Election of 1930Germany
15 September 2000DoD photo by Tech. Sgt. Robert A. Whitehead, U.S. Air Force. (Released) · via Wikipedia2000 Summer Olympics SydneyAustralia
15 September 1910Wikipedia · "1910 South African general election"1910 South African General ElectionSouth Africa
16 September 2017Wikipedia · "Atlantic hurricane"Hurricane Maria Devastates CaribbeanPuerto Rico
17 September 2011Wikipedia · "Occupy movement"Occupy Movement Spreads Globally
17 September 1988Wikipedia · "1988 Summer Olympics boycott"1988 Summer Olympics in SeoulSouth Korea
17 September 1862Wikipedia · "Battle of Antietam"Battle of AntietamUnited States
18 September 1931Wikipedia · "Japanese invasion of Manchuria"Japan Invades ManchuriaJapan
Also in September
1 story we can place in September, but not on a day