Date·Lore

On This Day · The 120th day of the year

April 30

April 30 carries 10 recorded events spanning between 311 and 2021. The Diocletianic Persecution of Christians in the Roman Empire ends.

♉ZodiacTaurus ◈BirthstoneDiamond ❀Birth flowerDaisy

Compiled & reviewed by · Last reviewed July 13, 2026

What happened on April 30?

April 30 is the 120th day of the year. It marks 10 notable events in history, dated between 311 and 2021. Famous people born on April 30 include Stephen Harper, Jaroslav Hašek and Carl Friedrich Gauss.

The shape of the day

April 30 carries an unusually long memory — its events reach back as far as 311. Its center of gravity is the 19th century.

Taurus is the sign for April 30 — read more on the Taurus page, or see April's birthstone & birth flower.

Released on April 30

Movies, games, albums & shows

2026

  • Game Heroes of Might & Magic: Olden Era
  • Movie Kara
  • Game Saros
  • Game Librarian: Tidy Up the Arcane Library!
  • Game Adorable Adventures
  • Game Bandit Trap
  • Movie KD – The Devil
  • Game Monster Crown: Sin Eater
  • Game Invincible Vs.
  • Game Inkonbini: One Store. Many Stories
  • Movie The Sheep Detectives
  • TV Man on Fire

2025

  • Game Skin Deep
  • Game Memoriapolis

2024

  • Game Gray Zone Warfare
  • Game Tales from Candleforth

Release data from TMDB & IGDB.

Events

10 notable moments
  1. 311

    AD 311

    The Diocletianic Persecution of Christians in the Roman Empire ends.

  2. 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.

  3. 1838

    Nicaragua

    Nicaragua declares independence from the Central American Federation.

  4. 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.

  5. 1900

    Hawaii

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

  6. 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.

  7. 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.

  8. 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.

  9. 2014

    April 2014 Ürümqi attack

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

  10. 2021

    2021 Meron crowd crush

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

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
  • 1943Otto Jespersen
  • 1883Édouard Manet
  • 1063Emperor Renzong of Song

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

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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