About September 28

September 28, 2025 is the 271st day of the year 2025 in the Gregorian calendar. There are 94 days remaining until the end of this year. The day of the week is Sunday.

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 142 days remaining before the start of the next Chinese New Year.

What Happened On September 28

  • 48 BC
    Pompey the Great is assassinated on the orders of King Ptolemy of Egypt after landing in Egypt.
  • 235
    Pope Pontian resigns. He and Hippolytus, church leader of Rome, are exiled to the mines of Sardinia.
  • 1066
    William the Bastard (as he was known at the time) invades England beginning the Norman Conquest.
  • 1238
    Muslim Valencia surrenders to the besieging King James I of Aragon the Conqueror.
  • 1448
    Christian I is crowned king of Denmark.
  • 1542
    Navigator João Rodrigues Cabrilho of Portugal arrives at what is now San Diego, California, United States.
  • 1779
    American Revolution: Samuel Huntington is elected President of the Continental Congress, succeeding John Jay.
  • 1867
    Toronto becomes the capital of Ontario.
  • 1868
    Battle of Alcolea causes Queen Isabella II of Spain to flee to France.
  • 1901
    Philippine-American War: Filipino guerrillas kill more than forty American soldiers in a surprise attack in the town of Balangiga on Samar Island.
  • 1918
    World War I: The Fifth Battle of Ypres begins.
  • 1928
    Sir Alexander Fleming notices a bacteria-killing mold growing in his laboratory, discovering what later became known as penicillin.
  • 1928
    The U.K. Parliament passes the Dangerous Drugs Act outlawing cannabis.
  • 1939
    Warsaw surrenders to Nazi Germany during World War II.
  • 1944
    Soviet Army troops liberate Klooga concentration camp in Klooga, Estonia.
  • 1958
    France ratifies a new Constitution of France; the French Fifth Republic is then formed upon the formal adoption of the new constitution on October 4. Guinea rejects the new constitution, voting for independence instead.
  • 1960
    Mali and Senegal join the United Nations.
  • 1973
    The ITT Building in New York City is bombed in protest at ITT’s alleged involvement in the September 11, 1973 coup d'état in Chile.
  • 1995
    Israeli Prime Minister Yitzhak Rabin and PLO Chairman Yasser Arafat sign the Interim Agreement on the West Bank and the Gaza Strip.
  • 2000
    Al-Aqsa Intifada: Ariel Sharon visits Al Aqsa Mosque known to Jews as the Temple Mount in Jerusalem.

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