About September 27

September 27, 2025 is the 270th day of the year 2025 in the Gregorian calendar. There are 95 days remaining until the end of this year. The day of the week is Saturday.

You can browse the full year calendar in case you need it.

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Libra is the sun sign of a person born on this day. Sapphire is the modern birthstone for this month. Agate is the mystical birthstone from Tibetan origin that dates back over a thousand years.

According to the lunisolar Chinese calendar, there are 143 days remaining before the start of the next Chinese New Year.

What Happened On September 27

  • 489
    Odoacer attacks Theodoric at the Battle of Verona, and is defeated again.
  • 1066
    William the Conqueror and his army set sail from the mouth of the Somme River, beginning the Norman Conquest of England.
  • 1821
    Mexico gains its independence from Spain.
  • 1825
    The Stockton and Darlington Railway opens, and begins operation of the world’s first service of locomotive-hauled passenger trains.
  • 1905
    The physics journal Annalen der Physik received Albert Einstein’s paper “Does the Inertia of a Body Depend Upon Its Energy Content?”, introducing the equation E=mc².
  • 1928
    The Republic of China is recognised by the United States.
  • 1941
    The SS Patrick Henry is launched becoming the first of more than 2,700 Liberty ships.
  • 1944
    The Kassel Mission results in the largest loss by a USAAF group on any mission in World War II.
  • 1949
    The first Plenary Session of the National People’s Congress approves the design of the Flag of the People’s Republic of China.
  • 1954
    The nationwide debut of Tonight! (The Tonight Show) hosted by Steve Allen on NBC.
  • 1959
    Nearly 5000 people die on the main Japanese island of Honshū as the result of a typhoon.
  • 1961
    Sierra Leone joins the United Nations.
  • 1964
    The British TSR-2 aircraft XR219 makes its maiden flight from Boscombe Down in Wiltshire.
  • 1968
    The stage musical Hair opens at the Shaftesbury Theatre in London, where it played 1,998 performances until its closure was forced by the roof collapsing in July 1973.
  • 1995
    The Government of the United States unveils the first of its redesigned bank notes with the 0 bill featuring a larger portrait of Benjamin Franklin slightly off-center.
  • 1996
    In Afghanistan, the Taliban capture the capital city Kabul after driving out President Burhanuddin Rabbani and executing former leader Mohammad Najibullah.
  • 1996
    The Julie N. tanker ship crashes into the Million Dollar Bridge in Portland, Maine spilling thousands of gallons of oil.
  • 1998
    The Google internet search engine retrospectively claims this as its birthday.
  • 2002
    Timor-Leste (East Timor) joins the United Nations.
  • 2003
    Smart 1 satellite is launched.

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