✦ DateLore

On This Day · The 120th day of the year

April 30

A look at April 30 through the almanac — historic events, famous birthdays including Stephen Harper and Jaroslav Hašek, and the day's notable deaths and observances.

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Events

10 notable moments
  1. 2021

    2021 Meron crowd crush

    Forty-five men and boys are killed in the Meron stampede in Israel.

    Multi-casualty crush incident in
  2. 2014

    April 2014 Ürümqi attack

    A bomb blast in Ürümqi, China kills three people and injures 79 others.

    Bomb-and-knife attack in Xinjiang,
  3. 2009

    2009 attack on the Dutch royal family

    Seven civilians and the perpetrator are killed and another ten injured at a Queen's Day parade in Apeldoorn, Netherlands in an attempted assassination on Queen Beatrix.

    Vehicle ramming in Apeldoorn,
  4. 1943

    World War II

    World War II: The British submarine HMS Seraph surfaces near Huelva to cast adrift a dead man dressed as a courier and carrying false invasion plans.

    1939–1945 global conflict
  5. 1927

    Federal Prison Camp, Alderson

    The Federal Industrial Institute for Women opens in Alderson, West Virginia, as the first women's federal prison in the United States.

    Women-only prison in West
  6. 1900

    Hawaii

    Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.

    U.S. state
  7. 1897

    J. J. Thomson

    J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.

    British physicist (1856–1940)
  8. 1838

    Nicaragua

    Nicaragua declares independence from the Central American Federation.

    Country in Central America
  9. 1803

    Louisiana Purchase

    Louisiana Purchase: The United States purchases the Louisiana Territory from France for $15 million, more than doubling the size of the young nation.

    1803 acquisition of region
  10. 311

    AD 311

    The Diocletianic Persecution of Christians in the Roman Empire ends.

    Calendar year
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Famous birthday twins

Born on April 30

Stephen Harper

b. 1959

Canadian economist and politician, 22nd Prime Minister of Canada

Jaroslav Hašek

b. 1883

Czech soldier and author

Carl Friedrich Gauss

b. 1777

German mathematician and physicist

Meredith L. Patterson

b. 1977

American technologist, journalist, and author

Mac DeMarco

b. 1990

Canadian singer-songwriter

Michael J. Smith

b. 1945

American pilot, and astronaut

Sergey Nikolsky

b. 1905

Russian mathematician and academic

Carl XVI Gustaf

b. 1946

King of Sweden since 1973

Deaths

  • 1945Adolf Hitler, Austrian-German politician and author, dictator of Nazi Germany
  • 1943Otto Jespersen, Danish linguist and academic
  • 1883Édouard Manet, French painter
  • 1063Emperor Renzong of Song, Chinese emperor
  • 125AD 125, Chinese emperor
  • 65AD 65, Roman poet

Holidays & observances

  • —Armed Forces Day (Georgia)
  • —Camarón Day (French Foreign Legion)
  • —Children's Day (Mexico)
  • —Christian feast day: Adjutor
  • —Christian feast day: Aimo
  • —Christian feast day: Amator, Peter and Louis
  • —Christian feast day: Donatus of Evorea
  • —Christian feast day: Eutropius of Saintes

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