On this day: September 14

Events on September 14

• 81 Domitian became Emperor of the Roman Empire upon the death of his brother Titus. Wikipedia
• 919 Viking activity in the British Isles: A coalition of native Irish, led by Niall Glúndub, failed in their attempt to drive the Vikings of the Uí Ímair from Ireland. Wikipedia
• 1226 The first recorded instance of the Catholic practice of perpetual Eucharistic adoration formally begins in Avignon, France. Wikipedia
• 1682 Bishop Gore School, one of the oldest schools in Wales, is founded. Wikipedia
• 1723 Grand Master António Manoel de Vilhena lays down the first stone of Fort Manoel in Malta. Wikipedia
• 1741 George Frideric Handel completes his oratorio Messiah. Wikipedia
• 1829 The Ottoman Empire signs the Treaty of Adrianople with Russia, thus ending the Russo-Turkish War. Wikipedia
• 1862 American Civil War: The Battle of South Mountain, part of the Maryland Campaign, is fought. Wikipedia
• 1863 American Civil War: The Little Rock campaign ended with the Union Army capturing Little Rock, Arkansas. Wikipedia
• 1901 U.S. president William McKinley dies after being mortally wounded on September 6 by anarchist Leon Czolgosz and is succeeded by Vice President Theodore Roosevelt. Wikipedia
• 1901 Theodore Roosevelt became President of the United States at age 42, the youngest person ever to do so, eight days after William McKinley was fatally wounded in Buffalo, New York. Wikipedia
• 1911 Russian Premier Pyotr Stolypin is shot by Dmitry Bogrov while attending a performance of Rimsky-Korsakov's The Tale of Tsar Saltan at the Kiev Opera House, in the presence of Tsar Nicholas II. Wikipedia
• 1914 HMAS AE1, the Royal Australian Navy's first submarine, was lost at sea; its wreck was not found until 2017. Wikipedia
• 1917 The Russian Empire is formally replaced by the Russian Republic. Wikipedia
• 1939 World War II: The Estonian military boards the Polish submarine ORP Orzeł in Tallinn, sparking a diplomatic incident that the Soviet Union will later use to justify the annexation of Estonia. Wikipedia
• 1940 Ip massacre: The Hungarian Army, supported by local Hungarians, kill 158 Romanian civilians in Ip, Sălaj, a village in Northern Transylvania, an act of ethnic cleansing. Wikipedia
• 1943 World War II: Nazi forces began a mass extermination campaign against the civilian residents of around 20 villages on the Greek island of Crete, eventually killing more than 500 men. Wikipedia
• 1960 The Organization of Petroleum Exporting Countries (OPEC) is founded. Wikipedia
• 1992 The Constitutional Court of Bosnia and Herzegovina declares the breakaway Croatian Republic of Herzeg-Bosnia to be illegal. Wikipedia
• 1997 Eighty-one killed as five bogies of the Ahmedabad–Howrah Express plunge into a river in Bilaspur district of Madhya Pradesh, India. Wikipedia
• 1999 Kiribati, Nauru and Tonga join the United Nations. Wikipedia
• 2000 Microsoft releases Windows Me. Wikipedia
• 2001 Historic National Prayer Service held at Washington National Cathedral for victims of the September 11 attacks. A similar service is held in Canada on Parliament Hill, the largest vigil ever held in the nation's capital. Wikipedia
• 2003 In a referendum, Estonia approves joining the European Union. Wikipedia
• 2008 Aeroflot Flight 821, a Boeing 737-500, crashes into a section of the Trans-Siberian Railway while on approach to Perm International Airport, in Perm, Russia, killing all 88 people on board. Wikipedia
• 2019 Yemen's Houthi rebels claim responsibility for an attack on Saudi Arabian oil facilities. Wikipedia

Born on September 14

• 208 Diadumenian, Roman emperor (died 218) Wikipedia
• 768 Al-Ma'mun, Abbasid caliph, 7th (died 833) Wikipedia
• 1486 Heinrich Cornelius Agrippa, German theologian, astrologer, and alchemist (died 1535) Wikipedia
• 1580 Francisco de Quevedo, Spanish poet and politician (died 1645) Wikipedia
• 1769 Alexander von Humboldt, German geographer and explorer (died 1859) Wikipedia
• 1791 Franz Bopp, German linguist and academic (died 1867) Wikipedia
• 1864 Robert Cecil, 1st Viscount Cecil of Chelwood, English lawyer and politician, Under-Secretary of State for Foreign Affairs, Nobel Prize laureate (died 1958) Wikipedia
• 1872 John Olof Dahlgren, Swedish-American soldier, Medal of Honor recipient (died 1963) Wikipedia
• 1879 Margaret Sanger, American nurse and activist (died 1966) Wikipedia
• 1913 Jacobo Árbenz, Guatemalan captain and politician, President of Guatemala (died 1971) Wikipedia
• 1920 Lawrence Klein, American economist and academic, Nobel Prize laureate (died 2013) Wikipedia
• 1936 Ferid Murad, American physician and pharmacologist, Nobel Prize laureate (died 2023) Wikipedia
• 1937 Renzo Piano, Italian architect and engineer, designed The Shard and The New York Times Building Wikipedia
• 1947 Sam Neill, New Zealand actor (died 2026) Wikipedia
• 1951 Joe McDonnell, Provisional Irish Republican Army, died on hunger strike (died 1981) Wikipedia
• 1955 Pope Leo XIV Wikipedia
• 1956 Kostas Karamanlis, Greek lawyer and politician, 181st Prime Minister of Greece Wikipedia
• 1974 Hicham El Guerrouj, Moroccan runner Wikipedia
• 1978 Ron DeSantis, American politician, 46th Governor of Florida Wikipedia
• 1979 Ivica Olić, Croatian footballer Wikipedia
• 1983 Amy Winehouse, British singer-songwriter, musician, and businesswoman (died 2011) Wikipedia
• 1990 Douglas Costa, Brazilian footballer Wikipedia

Died on September 14

• 23 Drusus Julius Caesar, Roman son of Tiberius (born 13 BC) Wikipedia
• 407 John Chrysostom, Byzantine archbishop and saint (born 347) Wikipedia
• 820 Li Yong, chancellor of the Tang Dynasty Wikipedia
• 1321 Dante Alighieri, Italian writer (born 1265) Wikipedia
• 1836 Aaron Burr, American colonel and politician, 3rd Vice President of the United States (born 1756) Wikipedia
• 1851 James Fenimore Cooper, American novelist, short story writer, and historian (born 1789) Wikipedia
• 1852 Arthur Wellesley, 1st Duke of Wellington, Irish-English field marshal and politician, Prime Minister of the United Kingdom (born 1769) Wikipedia
• 1868 Swami Virajanand Dandeesha, also known as the Blind Sage of Mathura, celebrated teacher of Arya Samaj founder, Dayanand Saraswati, a scholar and teacher of Sanskrit grammar and Vedic literature (born 1778) Wikipedia
• 1901 William McKinley, American soldier, lawyer, and politician, 25th President of the United States (born 1843) Wikipedia
• 1916 José Echegaray, Spanish engineer, mathematician, and playwright, Nobel Prize laureate (born 1832) Wikipedia
• 1927 Isadora Duncan, American-Russian dancer and choreographer (born 1877) Wikipedia
• 1937 Tomáš Garrigue Masaryk, Czech sociologist and politician, 1st President of Czechoslovakia (born 1850) Wikipedia
• 1966 Hiram Wesley Evans, American Ku Klux Klan leader (born 1881) Wikipedia
• 1982 Grace Kelly, American-Monegasque actress; Princess of Monaco (born 1929) Wikipedia

Holidays and observances

• Christian feast day: Aelia Flaccilla (Eastern Orthodox Church) Wikipedia
• Christian feast day: Albert of Vercelli Wikipedia
• Christian feast day: Cormac mac Cuilennáin (or of Cashel) Wikipedia
• Christian feast day: Crescentius of Rome Wikipedia
• Christian feast day: Feast of the Cross (Christianity) Elevation of the Holy Cross (Eastern Orthodox) Wikipedia
• Christian feast day: Lord of Miracles of Buga Wikipedia
• Christian feast day: Gabriel-Taurin Dufresse (one of the Martyr Saints of China) Wikipedia
• Christian feast day: Maternus of Cologne Wikipedia
• Christian feast day: Notburga Wikipedia
• Christian feast day: September 14 (Eastern Orthodox liturgics) Wikipedia
• Engineer's Day (Romania) Wikipedia
• Hindi Day (Hindi-speaking states of India) Wikipedia
• Mobilized Servicemen Day (Ukraine) Wikipedia
• San Jacinto Day (Nicaragua) Wikipedia

The events, births, deaths and observances above are from the English Wikipedia article “September 14” 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.