On this day: October 1
October 1 is the 274th day of the year (275th in leap years), with 91 days left until the end of the year.
Events on October 1
- 331 BC Alexander the Great defeats Darius III of Persia in the Battle of Gaugamela. Wikipedia
- 1779 The city of Tampere, Finland (belonging to Sweden at this time) is founded by King Gustav III of Sweden. Wikipedia
- 1795 More than a year after the Battle of Sprimont, the Austrian Netherlands (present-day Belgium) are officially annexed by Revolutionary France. Wikipedia
- 1800 With the signing of the Third Treaty of San Ildefonso, Spain returned the colonial territory of Louisiana to France in return for territories in the Italian region of Tuscany. Wikipedia
- 1827 Russo-Persian War: The Russian army under Ivan Paskevich storms Yerevan, ending a millennium of Muslim domination of Armenia. Wikipedia
- 1903 Baseball: The Boston Americans play the Pittsburgh Pirates in the first game of the modern World Series. Wikipedia
- 1915 The Metamorphosis written by Franz Kafka is published in the German journal Die Weißen Blätter Wikipedia
- 1918 First World War: British and Arab troops captured Damascus from the Ottoman Empire. Wikipedia
- 1918 World War I: The Egyptian Expeditionary Force captures Damascus. Wikipedia
- 1931 The George Washington Bridge in the United States is opened, linking New Jersey and New York. Wikipedia
- 1938 Pursuant to the Munich Agreement signed the day before, Nazi Germany begins the military occupation and annexation of Czechoslovakia's Sudetenland. Wikipedia
- 1939 World War II: After a one-month siege, German troops occupy Warsaw. Wikipedia
- 1949 Chinese Communist Party chairman Mao Zedong publicly proclaimed the establishment of the People's Republic of China in Beijing's Tiananmen Square. Wikipedia
- 1949 The People's Republic of China is established. Wikipedia
- 1955 The Xinjiang Uyghur Autonomous Region is established. Wikipedia
- 1961 East and West Cameroon merge to form the Federal Republic of Cameroon. Wikipedia
- 1963 On its third anniversary as an independent nation, Nigeria became a republic. Wikipedia
- 1975 In boxing, Muhammad Ali defeated Joe Frazier in a match known as the "Thrilla in Manila". Wikipedia
- 1978 Tuvalu gains independence from the United Kingdom. Wikipedia
- 1979 Pope John Paul II begins his first pastoral visit to the United States. Wikipedia
- 1985 Israel-Palestinian conflict: Israel attacks the Palestine Liberation Organization's Tunisia headquarters during Operation Wooden Leg. Wikipedia
- 1994 Palau enters a Compact of Free Association with the United States. Wikipedia
- 2015 Heavy rains trigger a major landslide in Guatemala, killing 280 people. Wikipedia
- 2017 An independence referendum, later declared illegal by the Constitutional Court of Spain, takes place in Catalonia. Wikipedia
- 2021 The 2020 World Expo in Dubai begins. Its opening was originally scheduled for 20 October 2020 but was delayed due to the COVID-19 pandemic. Wikipedia
- 2024 Israel invaded Southern Lebanon, marking the fifth Israeli invasion of Lebanon since 1978. Wikipedia
Born on October 1
- 86 BC Sallust, Roman historian (died 34 BC) Wikipedia
- 208 Alexander Severus, Roman emperor (died 235) Wikipedia
- 1207 Henry III of England (died 1272) Wikipedia
- 1541 El Greco, Greek painter, sculptor, and architect of the Spanish Renaissance (died 1614) Wikipedia
- 1685 Charles VI, Holy Roman Emperor (died 1740) Wikipedia
- 1808 Mary Anna Custis Lee, American wife of Robert E. Lee (died 1873) Wikipedia
- 1847 Annie Besant, English-Indian activist and author (died 1933) Wikipedia
- 1881 William Boeing, American engineer and businessman who founded the Boeing Company (died 1956) Wikipedia
- 1895 Liaquat Ali Khan, Indian-Pakistani lawyer and politician, 1st Prime Minister of Pakistan (died 1951) Wikipedia
- 1920 Walter Matthau, American actor (died 2000) Wikipedia
- 1922 Chen-Ning Yang, Chinese-American physicist, academic, and Nobel Prize laureate (died 2025) Wikipedia
- 1924 Jimmy Carter, American naval lieutenant, politician, 39th President of the United States, and Nobel Prize laureate (died 2024) Wikipedia
- 1930 Richard Harris, Irish actor (died 2002) Wikipedia
- 1935 Julie Andrews, English actress and singer Wikipedia
- 1943 Jean-Jacques Annaud, French director, producer, and screenwriter Wikipedia
- 1945 Ram Nath Kovind, 14th President of India Wikipedia
- 1947 Aaron Ciechanover, Israeli biologist and physician, Nobel Prize laureate Wikipedia
- 1947 Dave Arneson, American game designer, co-created Dungeons & Dragons (died 2009) Wikipedia
- 1956 Theresa May, English politician, former Prime Minister of the United Kingdom Wikipedia
- 1965 Mia Mottley, Barbadian prime minister Wikipedia
- 1966 George Weah, Liberian footballer and politician, 25th President of Liberia Wikipedia
- 1989 Brie Larson, American actress Wikipedia
Died on October 1
- 959 Eadwig, English king (born 941) Wikipedia
- 1404 Pope Boniface IX (born 1356) Wikipedia
- 1499 Marsilio Ficino, Italian astrologer and philosopher (born 1433) Wikipedia
- 1684 Pierre Corneille, French playwright (born 1606) Wikipedia
- 1901 Abdur Rahman Khan, Afghan emir (born 1844) Wikipedia
- 1959 Enrico De Nicola, Italian journalist, lawyer, politician, and first President of Italy (born 1877) Wikipedia
- 1972 Louis Leakey, Kenyan-English archaeologist and paleontologist (born 1903) Wikipedia
- 1985 E. B. White, American essayist and journalist (born 1899) Wikipedia
- 2012 Shlomo Venezia, Greek-Italian Holocaust survivor and author (born 1923) Wikipedia
- 2012 Eric Hobsbawm, Egyptian-English historian and author (born 1917) Wikipedia
- 2013 Tom Clancy, American author (born 1947) Wikipedia
- 2018 Charles Aznavour, French-Armenian singer, composer, writer, filmmaker and public figure (born 1924) Wikipedia
- 2019 Karel Gott, Czech singer (born 1939) Wikipedia
- 2025 Jane Goodall, English primatologist (born 1934) Wikipedia
Holidays and observances
- Armed Forces Day (South Korea) Wikipedia
- Beginning of the United States' Fiscal Year Wikipedia
- Children's Day (El Salvador, Guatemala, Sri Lanka) Wikipedia
- Christian feast day: Abai (Syriac Orthodox Church) Wikipedia
- Christian feast day: Bavo of Ghent Wikipedia
- Christian feast day: Blessed Edward James Wikipedia
- Christian feast day: Nicetius (Roman Catholic Church) Wikipedia
- Christian feast day: Remigius Wikipedia
- Christian feast day: Thérèse of Lisieux Wikipedia
- Christian feast day: Protection/Patronage of the Theotokos (Eastern Catholic Churches) Wikipedia
- Christian feast day: October 1 (Eastern Orthodox liturgics) Wikipedia
- Day of Prosecutors (Azerbaijan) Wikipedia
- Ground Forces Day (Russia) Wikipedia
- Independence Day, celebrates the independence of Cyprus from United Kingdom in 1960. Wikipedia
- Independence Day, celebrates the independence of Nigeria from United Kingdom in 1960. Wikipedia
- Independence Day, celebrates the independence of Palau from UN trust territory status in 1994. Wikipedia
- Independence Day, celebrates the independence of Tuvalu from United Kingdom in 1978. Wikipedia
- International Coffee Day Wikipedia
- International Day of Older Persons Wikipedia
- Lincolnshire Day (United Kingdom) Wikipedia
- National Day of the People's Republic of China (People's Republic of China) Wikipedia
- Pancasila Sanctity Day (Indonesia) Wikipedia
- Tampere Day (Finland) Wikipedia
- Teacher's Day (Uzbekistan) Wikipedia
The events, births, deaths and observances above are from the English Wikipedia article “October 1” and the articles it links to (authors and history), retrieved 2026-10-09 through the Wikimedia “On this day” feed. They are licensed under CC BY-SA 4.0; this selection is shared under the same licence. We picked the 26 events, 22 births and 14 deaths with the widest coverage across Wikipedia's language editions (counted from Wikidata) and sorted them by year; the wording is unchanged apart from removing references to pictures.