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.
  • 351
    Battle of Mursa Major: the Roman Emperor Constantius II defeats the usurper Magnentius.
  • 365
    Roman usurper Procopius bribes two legions passing by Constantinople, and proclaims himself Roman emperor.
  • 935
    Saint Wenceslas is murdered by his brother, Boleslaus I of Bohemia.
  • 1066
    William the Bastard (as he was known at the time) invades England beginning the Norman Conquest.
  • 1448
    Christian I is crowned king of Denmark.
  • 1538
    Ottoman–Venetian War: The Ottoman Navy scores a decisive victory over a Holy League fleet in the Battle of Preveza.
  • 1844
    Oscar I of Sweden-Norway is crowned king of Sweden.
  • 1867
    Toronto becomes the capital of Ontario.
  • 1912
    The Ulster Covenant is signed by half a million Ultonians in opposition to the Third Irish Home Rule Bill.
  • 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.
  • 1939
    Nazi Germany and the Soviet Union agree on a division of Poland after their invasion during World War II.
  • 1950
    Indonesia joins the United Nations.
  • 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.
  • 1994
    The car ferry MS Estonia sinks in Baltic Sea, killing 852 people.
  • 1995
    Bob Denard and a group of mercenaries take the islands of Comoros in a coup.
  • 1996
    Former president of Afghanistan Mohammad Najibullah is tortured and brutally murdered by the Taliban.
  • 2000
    Al-Aqsa Intifada: Ariel Sharon visits Al Aqsa Mosque known to Jews as the Temple Mount in Jerusalem.
  • 2008
    SpaceX launches the first ever private spacecraft, the Falcon 1 into orbit.

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