On This Day · The 270th day of the year

September 27

September 27 carries 10 recorded events spanning between 1066 and 2007. William the Conqueror and his army set sail from the mouth of the Somme river, beginning the Norman conquest of England.

Compiled & reviewed by · Last reviewed July 13, 2026

What happened on September 27?

September 27 is the 270th day of the year. It marks 10 notable events in history, dated between 1066 and 2007. Famous people born on September 27 include Grazia Deledda, Daniel Pudil and Dick Advocaat.

The shape of the day

September 27's record stretches 941 years, from 1066 to 2007. Its center of gravity is the 20th century, and conflict is a recurring thread.

Libra is the sign for September 27 — read more on the Libra page, or see September's birthstone & birth flower.

Released on September 27

Movies, games, albums & shows

2025

  • Movie Wormtown

2024

  • Game EA Sports FC 25

2023

  • Game Counter-Strike 2

2022

  • Game Desta: The Memories Between
  • Game Dome Keeper
  • Game Grounded
  • Game Moonscars
  • TV Strange Tales of Tang Dynasty
  • TV The Rookie: Feds

Release data from TMDB & IGDB.

Events

10 notable moments
  1. 1066

    William the Conqueror

    William the Conqueror and his army set sail from the mouth of the Somme river, beginning the Norman conquest of England.

  2. 1540

    Jesuits

    The Society of Jesus (Jesuits) receives its charter from Pope Paul III.

  3. 1822

    Jean-François Champollion

    Jean-François Champollion officially informs the Académie des Inscriptions et Belles Lettres in France that he has deciphered the Rosetta Stone.

  4. 1875

    Ellen Southard

    The merchant sailing ship Ellen Southard is wrecked in a storm at Liverpool.

  5. 1916

    Lij Iyasu

    Iyasu V is proclaimed deposed as ruler of Ethiopia in a palace coup in favor of his aunt Zewditu.

  6. 1940

    World War II

    World War II: The Tripartite Pact is signed in Berlin by Germany, Japan and Italy.

  7. 1941

    SS Patrick Henry

    The SS Patrick Henry is launched, becoming the first of more than 2,700 Liberty ships.

  8. 1964

    BAC TSR-2

    The British TSR-2 aircraft XR219 makes its maiden flight.

  9. 1998

    Google

    The Google internet search engine retroactively claims this date as its birthday.

  10. 2007

    Dawn (spacecraft)

    NASA launches the Dawn probe to the asteroid belt.

Famous birthday twins

Born on September 27

Grazia Deledda

b. 1871

Italian novelist and poet, Nobel Prize laureate

Daniel Pudil

b. 1985

Czech footballer

Dick Advocaat

b. 1947

Dutch football manager and former player

Lil Wayne

b. 1982

American rapper, producer, and actor

Francesco Totti

b. 1976

Italian footballer

Avril Lavigne

b. 1984

Canadian singer-songwriter, actress, and fashion designer

Gwyneth Paltrow

b. 1972

American actress, blogger, and businesswoman

Deaths

  • 2005Ronald Golias
  • 1940Walter Benjamin
  • 1940Julius Wagner-Jauregg
  • 1921Engelbert Humperdinck (composer)
  • 1917Edgar Degas
  • 1651Maximilian I, Elector of Bavaria

Holidays & observances

  • Christian feast days: Adheritus
  • Christian feast days: Bonfilius
  • Christian feast days: Caius of Milan
  • Christian feast days: Vincent de Paul
  • Christian feast days: Cosmas and Damian
  • Christian feast days: September 27 (Eastern Orthodox liturgics)
  • Consumación de la Independencia (Mexico)
  • French Community Holiday (French community of Belgium)

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.

Born on this day?

Make your birthday card.

Drop in your birth year and we'll work out your exact age, the day of the week you were born, your Chinese zodiac, your generation, and the countdown to your next candle.