Date·Lore

On This Day · The 291st day of the year

October 18

October 18 carries 10 recorded events spanning between 320 and 1991. Pappus of Alexandria, Greek philosopher, observes an eclipse of the Sun and writes a commentary on The Great Astronomer (Almagest).

♎ZodiacLibra ◈BirthstoneOpal ❀Birth flowerMarigold

Compiled & reviewed by · Last reviewed July 13, 2026

What happened on October 18?

October 18 is the 291st day of the year. It marks 10 notable events in history, dated between 320 and 1991. Famous people born on October 18 include Robert Harting, Chuck Berry and Pierre Trudeau.

The shape of the day

October 18 carries an unusually long memory — its events reach back as far as 320. Most of the weight falls in the 20th century, where conflict is a recurring thread.

Libra is the sign for October 18 — read more on the Libra page, or see October's birthstone & birth flower.

Released on October 18

Movies, games, albums & shows

2024

  • Game Teenage Mutant Ninja Turtles: Mutants Unleashed

2023

  • Game Kona II: Brume
  • Game Hellboy: Web of Wyrd

2022

  • Game A Plague Tale: Requiem

Release data from TMDB & IGDB.

Events

10 notable moments
  1. 320

    Pappus of Alexandria

    Pappus of Alexandria, Greek philosopher, observes an eclipse of the Sun and writes a commentary on The Great Astronomer (Almagest).

  2. 1356

    1356 Basel earthquake

    Basel earthquake, the most significant historic seismological event north of the Alps, destroys the town of Basel, Switzerland.

  3. 1561

    Japan

    In Japan the fourth Battle of Kawanakajima is fought between the forces of Uesugi Kenshin and Takeda Shingen, resulting in a draw.

  4. 1775

    American Revolutionary War

    American Revolutionary War: The Burning of Falmouth (now Portland, Maine).

  5. 1887

    Johannes Brahms

    Johannes Brahms conducts the premiere of his Double Concerto, composed for violinist Joseph Joachim and cellist Robert Hausmann.

  6. 1944

    World War II

    World War II: Soviet Union begins the liberation of Czechoslovakia from Nazi Germany.

  7. 1945

    Argentina

    Argentine military officer and politician Juan Perón marries actress Eva Duarte.

  8. 1945

    Venezuela

    A group of the Venezuelan Armed Forces, led by Mario Vargas, Marcos Pérez Jiménez and Carlos Delgado Chalbaud, stages a coup d'état against president Isaías Medina Angarita, who is overthrown by the end of the day.

  9. 1963

    Félicette

    Félicette, a black and white female Parisian stray cat, becomes the first cat launched into space.

  10. 1991

    Azerbaijan

    The Supreme Council of Azerbaijan adopts a declaration of independence from the Soviet Union.

Famous birthday twins

Born on October 18

Robert Harting

b. 1984

German discus thrower

Chuck Berry

b. 1926

American singer-songwriter and guitarist

Pierre Trudeau

b. 1919

Canadian lawyer, academic, and politician, 15th Prime Minister of Canada

Zhu Xi

b. 1130

Chinese philosopher

Lindsey Vonn

b. 1984

American skier

Beatrice Worsley

b. 1921

Mexican-Canadian computer scientist and academic

Eric Stuart

b. 1967

American singer-songwriter, guitarist, and voice actor

Stuart Law

b. 1968

Australian cricketer and coach

Deaths

  • 1931Thomas Edison
  • 1921Ludwig III of Bavaria
  • 1744Sarah Churchill, Duchess of Marlborough
  • 325Emperor Ming of Jin

Holidays & observances

  • —Alaska Day (Alaska, United States)
  • —Christian feast day: Asclepiades of Antioch
  • —Christian feast day: Isaac Jogues
  • —Christian feast day: Luke the Evangelist
  • —Christian feast day: Peter of Alcantara, can also be celebrated on October 19.
  • —Christian feast day: October 18 (Eastern Orthodox liturgics)
  • —Day of Restoration of Independence (Azerbaijan), celebrates the independence of Azerbaijan from the Soviet Union in 1991.
  • —Necktie Day (Croatia)

Historical facts, event summaries, and biographical lines above are adapted from Wikipedia under the Creative Commons Attribution-ShareAlike (CC BY-SA) license. DateLore adds curation, structure, and original editorial commentary. DateLore is not affiliated with the Wikimedia Foundation.

About the author

Roman Tailor compiles and reviews every date on DateLore. He's the writer and editor behind the site's editorial essays and the day-by-day almanac. Corrections and questions are welcome — read more about DateLore or get in touch.

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