On This Day · The 221st day of the year

August 9

A look at August 9 through the almanac — historic events, famous birthdays including Eric Bana and Whitney Houston, and the day's notable deaths and observances.

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Events

10 notable moments
  1. 2006

    2006 transatlantic aircraft plot

    At least 21 suspected terrorists are arrested in the 2006 transatlantic aircraft plot that happened in the United Kingdom. The arrests are made in London, Birmingham, and High Wycombe in an overnight operation.

    Foiled terrorist plot in
  2. 1971

    The Troubles

    The Troubles: In Northern Ireland, the British authorities launch Operation Demetrius. The operation involves the mass arrest and internment without trial of individuals suspected of being affiliated with the Irish Republican Army (PIRA). Mass riots follow, and thousands of people flee or are forced out of their homes.

    1960s–1998 conflict in Northern
  3. 1965

    Singapore

    Singapore is expelled from Malaysia.

    Island country in Southeast
  4. 1944

    United States Forest Service

    The United States Forest Service and the Wartime Advertising Council release posters featuring Smokey Bear for the first time.

    Agency of the U.S.
  5. 1942

    World War II

    World War II: Battle of Savo Island: Allied naval forces protecting their amphibious forces during the initial stages of the Battle of Guadalcanal are surprised and defeated by an Imperial Japanese Navy cruiser force.

    1939–1945 global conflict
  6. 1936

    1936 Summer Olympics

    Summer Olympics: Jesse Owens wins his fourth gold medal at the games.

    Multi-sport event in Berlin,
  7. 1897

    International Congress of Mathematicians

    The first International Congress of Mathematicians is held in Zürich, Switzerland.

    Quadrennial mathematics conference
  8. 1862

    American Civil War

    American Civil War: Battle of Cedar Mountain: At Cedar Mountain, Virginia, Confederate General Stonewall Jackson narrowly defeats Union forces under General John Pope.

    1861–1865 conflict in the
  9. 1830

    Louis Philippe I

    Louis Philippe becomes the king of the French following abdication of Charles X.

    King of the French
  10. 1810

    Napoleon

    Napoleon annexes Westphalia as part of the First French Empire.

    French general and emperor
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Famous birthday twins

Born on August 9

Eric Bana

b. 1968

Australian actor, comedian, producer, and screenwriter

Whitney Houston

b. 1963

American singer-songwriter, producer, and actress

Romano Prodi

b. 1939

Italian academic and politician, 52nd Prime Minister of Italy

Jessica Capshaw

b. 1976

American actress

Juanes

b. 1972

Colombian singer and songwriter

Amedeo Avogadro

b. 1776

Italian physicist and chemist

William Alfred Fowler

b. 1911

American astronomer and astrophysicist, Nobel Laureate

John Key

b. 1961

New Zealand businessman and politician, 38th Prime Minister of New Zealand

Deaths

  • 2024Susan Wojcicki, Polish-American technology executive
  • 2010Ted Stevens, American soldier, lawyer, and politician
  • 1980Jacqueline Cochran, American pilot
  • 1962Hermann Hesse, German-born Swiss poet, novelist, and painter, Nobel Prize laureate
  • 1048Pope Damasus II, Head of the Catholic Church in 1048
  • 833Al-Ma'mun, Iraqi caliph

Holidays & observances

  • Battle of Gangut Day (Russia)
  • Christian feast day: Candida Maria of Jesus
  • Christian feast day: Edith Stein (St Teresa Benedicta of the Cross)
  • Christian feast day: Firmus and Rusticus
  • Christian feast day: Herman of Alaska (Russian Orthodox Church and related congregations; Episcopal Church (USA))
  • Christian feast day: John Vianney (1950s – currently August 4)
  • Christian feast day: Mary Sumner (Church of England)
  • Christian feast day: Nath Í of Achonry

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