On this day: October 23

Events on October 23

• 1086 Spanish Reconquista: At the Battle of Sagrajas, the Almoravids defeat the Castilians, but are unable to take advantage of their victory. Wikipedia
• 1157 The Battle of Grathe Heath ended the Danish Civil War. Wikipedia
• 1641 Irish Catholic gentry in Ulster tried to seize control of Dublin Castle, the seat of English rule in Ireland, to force concessions to Catholics. Wikipedia
• 1798 War of the Second Coalition: The Ottoman–Albanian forces of Ali Pasha of Janina defeated French troops and captured the town of Preveza at the Battle of Nicopolis. Wikipedia
• 1850 The inaugural National Women's Rights Convention, presided over by American activist Paulina Wright Davis, began in Worcester, Massachusetts. Wikipedia
• 1868 Meiji Restoration: Having taken the shogunate's seat of power at Edo and declared it his new capital as Tokyo, Mutsuhito proclaims the start of the new Meiji era. Wikipedia
• 1906 Alberto Santos-Dumont flew his biplane 14-bis for 50 metres (160 ft) at an altitude of about four metres (13 ft). Wikipedia
• 1934 Jeannette Piccard piloted a hot-air balloon flight that reached 57,579 feet (17,550 m), becoming the first woman to fly in the stratosphere. Wikipedia
• 1942 World War II: Japanese troops began an unsuccessful attempt to recapture Henderson Field on Guadalcanal in the Solomon Islands from American forces. Wikipedia
• 1955 The State of Vietnam voted in a referendum to become a republic. Wikipedia
• 1956 The Hungarian Revolution began as a peaceful student demonstration that attracted thousands while marching through central Budapest to the parliament building. Wikipedia
• 1957 A screening of Mother India, one of the most influential Indian films in history, was held for President Rajendra Prasad and Prime Minister Jawaharlal Nehru two days before its release. Wikipedia
• 1958 Belgian artist Peyo's comic characters, the Smurfs, make their debut in Spirou magazine. Wikipedia
• 1972 Vietnam War: Operation Linebacker, a U.S. bombing campaign against North Vietnam in response to its Easter Offensive, ended after five months. Wikipedia
• 1995 The runway show for Alexander McQueen's collection The Hunger was staged at London's Natural History Museum. Wikipedia
• 1995 Yolanda Saldívar is found guilty of first-degree murder in the shooting death of popular Latin singer Selena. Wikipedia
• 2001 Grand Theft Auto III was released, helping to popularize open-world and mature-content video games. Wikipedia
• 2001 Apple Computer releases the iPod. Wikipedia
• 2002 Second Chechen War: Chechen separatist terrorists seize the House of Culture theater in Moscow and take approximately 700 theater-goers hostage. Wikipedia
• 2011 During the Malaysian motorcycle Grand Prix, Marco Simoncelli collided with two other riders, resulting in his death due to serious trauma to the head, neck, and chest. Wikipedia
• 2011 The Libyan National Transitional Council deems the Libyan Civil War over. Wikipedia
• 2011 A powerful 7.2 magnitude earthquake strikes Van Province, Turkey, killing 582 people and injuring thousands. Wikipedia
• 2015 Hurricane Patricia, the most intense tropical cyclone on record in the Western Hemisphere, peaked with maximum sustained winds of 215 mph (345 km/h) south of Mexico. Wikipedia
• 2018 An escalator accident in Rome left 24 people injured, mostly fans of the CSKA Moscow football team who were in town for a UEFA Champions League match against Roma. Wikipedia
• 2022 Myanmar civil war: Burmese military forces launched airstrikes that killed at least 80 concertgoers in Kachin State. Wikipedia
• 2022 Pakistani journalist Arshad Sharif is shot and killed by local police in Kajiado, Kenya. Wikipedia

Born on October 23

• 1875 Gilbert N. Lewis, American chemist and academic (died 1946) Wikipedia
• 1905 Felix Bloch, Swiss physicist and academic, Nobel Prize laureate (died 1983) Wikipedia
• 1908 Ilya Frank, Russian physicist and academic, Nobel Prize laureate (died 1990) Wikipedia
• 1920 Gianni Rodari, Italian writer (died 1980) Wikipedia
• 1925 Johnny Carson, American television host (died 2005) Wikipedia
• 1927 Leszek Kołakowski, Polish-English historian and philosopher (died 2009) Wikipedia
• 1928 Zhu Rongji, Chinese engineer and politician, 5th Premier of the People's Republic of China (died 2026) Wikipedia
• 1940 Pelé, Brazilian footballer and actor (died 2022) Wikipedia
• 1942 Michael Crichton, American author and screenwriter (died 2008) Wikipedia
• 1954 Ang Lee, Taiwanese-American director, producer, and screenwriter Wikipedia
• 1957 Paul Kagame, Rwandan soldier and politician, 6th President of Rwanda Wikipedia
• 1959 "Weird Al" Yankovic, American comedy musician, writer, and actor Wikipedia
• 1959 Sam Raimi, American director, screenwriter and producer Wikipedia
• 1964 Robert Trujillo, American bass player and songwriter Wikipedia
• 1974 Aravind Adiga, Indian journalist and author Wikipedia
• 1976 Ryan Reynolds, Canadian-American actor and producer Wikipedia
• 1979 Prabhas, Telugu film actor Wikipedia
• 1985 Masiela Lusha, Albanian-American actress, poet, and humanitarian Wikipedia
• 1986 Emilia Clarke, English actress Wikipedia
• 1989 Andriy Yarmolenko, Ukrainian footballer Wikipedia
• 1992 Álvaro Morata, Spanish footballer Wikipedia
• 1994 Margaret Qualley, American actress Wikipedia

Died on October 23

• 42 BC Marcus Junius Brutus the Younger, Roman general and politician (born 85 BC) Wikipedia
• 1867 Franz Bopp, German linguist and academic (born 1791) Wikipedia
• 1869 Edward Smith-Stanley, 14th Earl of Derby, English lawyer and politician, Prime Minister of the United Kingdom (born 1799) Wikipedia
• 1872 Théophile Gautier, French journalist, author, and poet (born 1811) Wikipedia
• 1893 Alexander of Battenberg (born 1857) Wikipedia
• 1910 Chulalongkorn, Thai king (born 1853) Wikipedia
• 1921 John Boyd Dunlop, Scottish businessman, founded Dunlop Rubber (born 1840) Wikipedia
• 1944 Charles Glover Barkla, English-Scottish physicist and academic, Nobel Prize laureate (born 1877) Wikipedia
• 1950 Al Jolson, Lithuanian-American actor and singer (born 1886) Wikipedia
• 1986 Edward Adelbert Doisy, American biochemist and academic, Nobel Prize laureate (born 1893) Wikipedia
• 2003 Soong Mei-ling, Chinese wife of Chiang Kai-shek, 2nd First Lady of the Republic of China (born 1898) Wikipedia
• 2011 Herbert A. Hauptman, American chemist and mathematician, Nobel Prize laureate (born 1917) Wikipedia
• 2011 Marco Simoncelli, Italian motorcycle racer (born 1987) Wikipedia
• 2025 June Lockhart, American actress (b. 1925) Wikipedia

Holidays and observances

• Christian feast day: Feast of the Most Holy Redeemer Wikipedia
• Christian feast day: James the Just (i.e. James, brother of Jesus) (Lutheran, Episcopal Church (USA), Eastern Orthodox) Wikipedia
• Christian feast day: Allucio of Campugliano Wikipedia
• Christian feast day: Amon of Toul (Diocese of Toul) Wikipedia
• Christian feast day: Boethius Wikipedia
• Christian feast day: Ignatios of Constantinople Wikipedia
• Christian feast day: John of Capistrano Wikipedia
• Christian feast day: Joséphine Leroux Wikipedia
• Christian feast day: Peter Pascual Wikipedia
• Christian feast day: Romain (Romanus) of Rouen Wikipedia
• Christian feast day: Servandus and Cermanus Wikipedia
• Christian feast day: Severin of Cologne Wikipedia
• Christian feast day: October 23 (Eastern Orthodox liturgics) Wikipedia
• Christian feast day: Christmas or the Feast of Señor Noemi (the Child Jesus) in the Apostolic Catholic Church Wikipedia
• Mole Day (International observance) Wikipedia

Sources

• Wikipedia — “October 23” — events, births, deaths and observances (text under CC BY-SA 4.0) (checked 2026-10-15)
• Wikipedia — “Selected anniversaries/October 23” — the anniversaries editors chose for the date and the article each one is about (checked 2026-10-15)
• Wikidata — in how many language editions each entry's own article exists, used to fill the lists (CC0) (checked 2026-10-15)
• vacanza/holidays (open-source holiday rules, MIT licence) — holiday rules used to build the lists (checked 2026-10-15)

The events, births, deaths and observances above are from the English Wikipedia article “October 23” and the articles it links to (authors and history), retrieved 2026-10-15 through the Wikimedia “On this day” feed. They are licensed under CC BY-SA 4.0; this selection is shared under the same licence. Every anniversary that Wikipedia's editors selected for October 23 stays on the list; the remaining places, up to 26 events, 22 births and 14 deaths, go to the entries whose own article — about the event itself, or else the person or thing it is about — appears in the most language editions (counted from Wikidata); an article about a person or thing, which covers far more than one day, counts half. An entry with no article of its own counts, also at half, by the least covered article it links, and one that links only places counts for nothing. Each list runs by year, and the wording is unchanged apart from removing references to pictures, audio and video.