Holidays Calendar for October 23, 2026

Commemoration of the Paris Peace Agreements of 1991, also known as Paris Peace Agreements Day, is a Cambodian public holiday observed on October 23. It celebrates the official end of the Cambodian-Vietnamese War.

Chulalongkorn Day is a Thai public holiday celebrated on October 23. It commemorates the death anniversary of King Rama V, who is considered to be one of the most outstanding monarchs of Siam (former name of Thailand).

Republic Day is the national day of Hungary. It is celebrated on October 23. The holiday commemorates the Hungarian Revolution of 1956 and the official proclamation of the Third Republic in 1989.

Liberation Day is a Libyan public holiday celebrated on October 23. It commemorates the country's liberation from the regime of Muammar Gaddafi in 2011.

Day of the Macedonian Revolutionary Struggle is a public holiday in the Republic of North Macedonia celebrated on October 23. It commemorates the establishment of the Internal Macedonian Revolutionary Organization (IMRO) in 1893.

Sukkot is a seven-day Jewish holiday. Its celebration starts on the 15th day of Tishrei. Along with Pesach and Shavuot, it belongs to Shalosh Regalim (the Three Pilgrimage Festivals), on which the Israelites were required to make a pilgrimage to the Holy Temple.

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International Snow Leopard Day is an annual holiday celebrated in different countries across the world. It is dedicated to saving one of the rarest wild cats on the planet.

Kabuki Syndrome Awareness Day is an annual observance held on October 23. It is dedicated to a rare and insufficiently studied congenital disorder that affects multiple parts of the body.

Brazilian Aviator's Day is celebrated on October 23. It commemorates the first official flight of Alberto Santos-Dumont, a Brazilian aviation pioneer. In Brazil, Santos-Dumont is regarded as the “father of flight” and considered a national hero.

Paralegals are essential to the efficient and effective operation of law firms, but their contribution often goes unnoticed by the general public. National Paralegal Day, celebrated annually on October 23, was created to raise awareness of the importance of paralegals and express gratitude for what they do.

October 23 is a perfect day for a horror movie marathon because it is National Horror Movie Day. The date of the holiday was chosen not just because of its proximity to Halloween; it is the birthday of American film director Sam Raimi, who created the Evil Dead comedy horror franchise.

On the 12th day of the Hebrew month of Heshvan Yitzhak Rabin memorial day is officially commemorated in Israel. Yitzhak Rabin was Prime Minister of Israel assassinated in 1995.

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National Boston Cream Pie Day is annually observed on October 23. It is dedicated to a delicious dessert which is more a cake than a pie, despite its name.

Mole Day is an informal holiday celebrated by chemists, chemistry students, and chemistry enthusiasts. The celebration is dedicated to a unit of measurement that expresses amounts of a chemical substance.


This Day in History

  • 2011 Died: Herbert A. Hauptman, American mathematician. He received the 1985 Nobel Prize in Chemistry for his contribution to the development of direct methods for the determination of crystal structures.
  • 2011 A powerful 7.2 magnitude earthquake struck Turkey near the city of Van. Over 580 people were killed and thousands were injured.
  • 2002 Chechen terrorists seized the Dubrovka Theater in Moscow during a performance of the musical Nord-Ost, resulting in the taking of 912 hostages.
  • 1997 Died: Bert Haanstra, Dutch director, known for his documentaries. His documentary Glass won the Academy Award for Documentary Short Subject in 1959.
  • 1994 Born: Margaret Qualley, American across. She received critical acclaim and nominations for Primetime Emmy Awards for playing Ann Reinking in the miniseries Fosse/Verdon.
  • 1987 Born: Kirby Howell-Baptiste, English actress known for her roles in Downward Dog, Killing Eve, Why Women Kill, The Sandman, and Dead Boy Detectives.
  • 1986 Born: Emilia Clarke, British actress who rose to fame thanks to her role as Daenerys Targaryen in the HBO fantasy series Game of Thrones, for which she received nominations for four Primetime Emmy Awards.
  • 1986 Died: Edward Adelbert Doisy, American biochemist, known as one of the discoverers of vitamin K. This work brought him the Nobel Prize in Physiology or Medicine in 1943.
  • 1983 241 U.S. military personnel were killed by a truck bomb that hit the U.S. Marines Corps barracks in Beirut. A French Army barracks in Lebanon were also attacked that morning; 58 troops were killed.
  • 1976 Born: Ryan Reynolds, Canadian and American actor, producer, and businessman. His biggest commercial success came with the superhero films Deadpool, Deadpool 2, and Deadpool & Wolverine.
  • 1972 U.S. bombing campaign Operation Linebacker against North Vietnam ended after five months. The operation became the first continuous bombing effort conducted against North Vietnam since 1968.
  • 1970 Gary Gabelich set a land speed record in a rocket-powered automobile called the Blue Flame, fueled with natural gas. His record was broken in 1983 by Richard Noble driving his turbojet-powered Thrust2.
  • 1964 Born: Robert Trujillo, American musician who has been the bassist for heavy metal band Metallica since 2003. He was inducted to the Rock and Roll Hall of Fame as a member of Metallica.
  • 1959 Born: "Weird Al" Yankovic, American musician best known for his comedy songs that often parody specific songs by contemporary musicians, pastiches, and polka medleys.
  • 1959 Born: Sam Raimi, American film director, screenwriter and producer. He is best known for directing the first three films in the Evil Dead franchise and the Spider-Man trilogy.
  • 1958 The Smurfs appeared for the first time in La flute à six schtroumpfs, an adventure story by Peyo that was serialized in the weekly Spirou magazine.
  • 1957 Died: Christian Dior, French fashion designer and founder of one of the world's top fashion houses, Christian Dior SE. Throughout his lifetime, he won numerous awards for Best Costume Design.
  • 1957 Born: Paul Kagame, Rwandan politician, the 6th President of Rwanda. His Rwandan Patriotic Front played a crucial role in ending the Rwandan Genocide.
  • 1944 Died: Charles Glover Barkla, British physicist. In 1917 he won the Nobel Prize in Physics for his work in X-ray spectroscopy and related areas in the study of X-rays.
  • 1944 The Battle of Leyte Gulf began during World War II. It was the largest naval battle of the war and by some criteria the largest naval battle in history, with over 200,000 naval personnel involved.
  • 1942 Born: Anita Roddick, British businesswoman, human rights activist and environmental campaigner, best known as the founder of The Body Shop, now The Body Shop International Limited.
  • 1940 Born: Edson Arantes do Nascimento, better known as Pelé, Brazilian footballer, widely regarded to be the greatest player of all time. In 1999, he was named Athlete of the Century by the International Olympic Committee.
  • 1920 Born: Gianni Rodari, Italian writer and journalist, most famous for his works of children's literature, notably Il romanzo di Cipollino. He received the Hans Christian Andersen Medal in 1970.
  • 1915 Over 25,000 women marched up Fifth Avenue in New York City to advocate for women’s suffrage. It was the largest suffrage parade held in the city until that time.
  • 1908 Born: Ilya Frank, Russian physicist, 1958 Nobel Prize in Physics laureate for his work in expanding the phenomenon of Cherenkov radiation.
  • 1905 Born: Felix Bloch, Swiss-American physicist. He was awarded the 1952 Nobel Prize for Physics for the development of new ways and methods for nuclear magnetic precision measurements.
  • 1885 Born: Lawren Harris, Canadian painter, a founding member of the Group of Seven. The Group pioneered a distinctly Canadian painting style in the early 20th century.
  • 1875 Born: Gilbert N. Lewis, American physical chemist, known for his discovery of the covalent bond and his concept of electron pairs. He also coined the term "photon".
  • 1872 Died: Théophile Gautier, French poet, dramatist, novelist, journalist, and art and literary critic, whose works were widely esteemed by Balzac, Baudelaire, T. S. Eliot, Oscar Wilde, and other authors.
  • 1812 French general Claude François de Malet began a conspiracy to overthrow Napoleon Bonaparte. He claimed that the Emperor had died in Russia and declared himself the commandant of Paris.
  • 1707 The Parliament of Great Britain convened for the first time after its establishment to elect the first Speaker of the House of Commons of Great Britain.
  • 1688 Died: Charles du Fresne, sieur du Cange, French philologist and historian, known as one of the founding fathers of Byzantine studies in Europe.
  • 1581 Died: Michael Neander, German teacher, mathematician, medical academic, and astronomer. One of the Moon craters, Neander, is named after him.
  • 1550 Died: Tiedemann Giese, Polish bishop and writer, known as a close friend of Nicolaus Copernicus. Together with Copernicus he wrote a letter to the Polish king Sigismund I the Old asking for his protection of Prussia against the Teutonic Knights.
  • 1456 Died: John of Capistrano, Italian Franciscan friar and Catholic priest. He is known as "the Soldier Saint" due to leading a Crusade against the invading Ottoman Empire at the siege of Belgrade.