About September 1

September 1, 2025 is the 244th day of the year 2025 in the Gregorian calendar. There are 121 days remaining until the end of this year. The day of the week is Monday.

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

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Virgo 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 169 days remaining before the start of the next Chinese New Year.

What Happened On September 1

  • 462
    Possible start of first Byzantine indiction cycle.
  • 1355
    King Tvrtko I of Bosnia writes In castro nostro Vizoka vocatum from the old town of Visoki.
  • 1529
    the Spanish fort Sancti Spiritu, the first one built in modern Argentina, is destroyed by natives.
  • 1763
    Catherine II of Russia endorses Ivan Betskoy’s plans for a Foundling Home in Moscow
  • 1862
    American Civil War: Battle of Chantilly – Confederate forces attack retreating Union troops in Chantilly, Virginia.
  • 1878
    Emma Nutt becomes the world’s first female telephone operator when she is recruited by Alexander Graham Bell to the Boston Telephone Dispatch Company.
  • 1897
    The Boston subway opens, becoming the first underground rapid transit system in North America.
  • 1906
    The International Federation of Intellectual Property Attorneys is established.
  • 1911
    The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
  • 1923
    The Great Kantō earthquake devastates Tokyo and Yokohama, killing about 105,000 people.
  • 1939
    George C. Marshall becomes Chief of Staff of the United States Army.
  • 1939
    Switzerland mobilizes its forces and the Swiss Parliament elects Henri Guisan to head the Swiss Army (an event that can happen only during war or mobilization).
  • 1951
    The United States, Australia and New Zealand sign a mutual defense pact, called the ANZUS Treaty.
  • 1958
    Iceland expands its fishing zone, putting it into conflict with the United Kingdom, beginning the Cod Wars.
  • 1969
    A coup in Libya brings Muammar al-Gaddafi to power.
  • 1970
    Attempted assassination of King Hussein of Jordan by Palestinian guerrillas, who attacked his motorcade.
  • 1974
    The SR-71 Blackbird sets (and holds) the record for flying from New York to London in the time of 1 hour, 54 minutes and 56.4 seconds at a speed of 1435.587 mph.
  • 1980
    Terry Fox’s Marathon of Hope ends near Thunder Bay, Ontario.
  • 1981
    A coup d'état in the Central African Republic overthrows President David Dacko.
  • 1982
    The United States Air Force Space Command is founded.

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