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On this day

September 4 Friday, September 4, 2026

A curious almanac of what happened on September 4 across the years — history, birthdays, the songs that ruled the charts, the films that packed cinemas, and the science that nudged the world forward.

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Find out what the world looked like the day you arrived.

12
Events
7
Birthdays
2
Holidays
September 4, 1479: The Treaty of Alcáçovas is signed by the Catholic Monarchs of Castile and Aragon on one side and Afonso V and his son, Prince John of Portugal.
1479
European history 547 years ago

The Treaty of Alcáçovas is signed by the Catholic Monarchs of Castile and Aragon on one side and Afonso V and his son, Prince John of Portugal.

The Treaty of Alcáçovas resolves conflicts between Castile and Portugal over succession and control of Atlantic territories, establishing Portuguese dominance in Africa.

History

What happened on September 4

12 verified entries Full timeline
  1. 476

    Romulus Augustulus is deposed when Odoacer proclaims himself "King of Italy", thus ending the Western Roman Empire.

    Odoacer deposes Romulus Augustulus, declaring himself King of Italy and marking the end of the Western Roman Empire.

    European history
  2. 626

    Li Shimin, posthumously known as Emperor Taizong of Tang, assumes the throne over the Tang dynasty of China.

    Li Shimin becomes Emperor Taizong of Tang, founding one of China's most prosperous dynasties.

    World history
  3. 929

    Battle of Lenzen: Slavic forces (the Redarii and the Obotrites) are defeated by a Saxon army near the fortified stronghold of Lenzen in Brandenburg.

    Slavic forces led by the Redarii and Obotrites are defeated by a Saxon army near the fortress of Lenzen.

    European history
  4. 1260

    The Sienese Ghibellines, supported by the forces of Manfred, King of Sicily, defeat the Florentine Guelphs at Montaperti.

    The Sienese Ghibellines, backed by Manfred's forces, defeat the Florentine Guelphs in a battle at Montaperti.

    European history
  5. 1282

    Peter III of Aragon becomes the King of Sicily.

    Peter III of Aragon is crowned king of Sicily, marking the beginning of the War of the Sicilian Vespers.

    Royalty
  6. 1479

    The Treaty of Alcáçovas is signed by the Catholic Monarchs of Castile and Aragon on one side and Afonso V and his son, Prince John of Portugal.

    The Treaty of Alcáçovas resolves conflicts between Castile and Portugal over succession and control of Atlantic territories, establishing Portuguese dominance in Africa.

    European history
  7. 1607

    The Flight of the Earls takes place in Ireland (14 September N.S.).

    Hugh O'Neill and Rory O'Donnell leave Ireland for exile in Europe, marking the end of Gaelic rule.

    World history
  8. 1666

    In London, England, the most destructive damage from the Great Fire occurs.

    The Great Fire of London reaches its peak intensity, consuming the medieval city's heart including St. Paul's Cathedral and thousands of homes.

    UK history
  9. 1774

    New Caledonia is first sighted by Europeans, during the second voyage of Captain James Cook.

    Captain James Cook sights New Caledonia during his second voyage.

    UK history
  10. 1797

    Coup of 18 Fructidor in France.

    Napoleon Bonaparte supports a coup that purges royalist sympathizers from the French Directory, strengthening the republican government and his own political influence.

    European history
  11. 1886

    American Indian Wars: After almost 30 years of fighting, Apache leader Geronimo, with his remaining warriors, surrenders to General Nelson Miles in Arizona.

    Geronimo surrenders to General Nelson Miles in Arizona, ending nearly three decades of conflict.

    US history
  12. 1936

    Spanish Civil War: Largo Caballero forms a war cabinet to direct the republican war effort.

    Largo Caballero forms a war cabinet to lead the republican fight against Franco's forces.

    War

Born today

Famous birthdays on September 4

Music

The number one songs on September 4

Across the years Full chart history
Stand and Deliver album cover

🇬🇧 #1 on September 4, 1981

"Stand and Deliver"

by Adam and the Ants

The dandy highwayman spent five weeks at the top — a brash, glam-pop coronation.

#1 for 5 weeks

Also #1 on this day

  • 1965
    "Ticket To Ride"
    — The Beatles
  • 1972
    "Metal Guru"
    — T. Rex
  • 2003
    "Make Luv"
    — Room 5 ft. Oliver Cheatham

Film & TV

At the movies

Box office #1 and premieres All releases
The Empire Strikes Back poster

Box-office #1

The Empire Strikes Back

1980 · dir. Irvin Kershner

Wide US release on May 23, 1980. Goes on to become the highest-grossing film of the year.

Sci-fiStar Wars $538M worldwide
🏆 Sport

September 4, 1950

Darlington Raceway is the site of the inaugural Southern 500, the first 500-mile NASCAR race.

The Southern 500, NASCAR's first 500-mile race, takes place at Darlington Raceway.

Read the story
🔬 Science

September 4, 1985

The discovery of Buckminsterfullerene, the first fullerene molecule of carbon.

Scientists discover buckminsterfullerene, a spherical carbon molecule named after architect Buckminster Fuller.

Read the story

Today is also

Holidays & observances

2 celebrated today

Immigrant's Day (Argentina)

International

The history of immigration to Argentina can be divided into several major stages:Spanish colonization between the 16th and 18th century, mostly male, largely assimilated with the natives through a pro

Toothfish Day (South Georgia and the South Sandwich Islands)

International

Toothfish Day is a public holiday celebrated in the British Overseas Territory of South Georgia and the South Sandwich Islands

If you don't read, you don't think. Plain and simple.

Joan Collins · born September 4, 1933