About September 20

September 20, 2023 is the 263rd day of the year 2023 in the Gregorian calendar. There are 102 days remaining until the end of this year. The day of the week is Wednesday.

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

What Happened On September 20

  • 1187
    Saladin begins the Siege of Jerusalem.
  • 1378
    Cardinal Robert of Geneva, called by some the Butcher of Cesena, is elected as Avignon Pope Clement VII, beginning the Papal schism.
  • 1519
    Ferdinand Magellan sets sail from Sanlúcar de Barrameda with about 270 men on his expedition to circumnavigate the globe.
  • 1596
    Diego de Montemayor founds the city of Monterrey in New Spain.
  • 1697
    The Treaty of Rijswijk is signed by France, England, Spain, the Holy Roman Empire and the Dutch Republic ending the Nine Years’ War (1688–97).
  • 1854
    Battle of Alma: British and French troops defeat Russians in the Crimea.
  • 1857
    The Indian Rebellion of 1857 ends with the recapture of Delhi by troops loyal to the East India Company.
  • 1870
    Bersaglieri corps enter Rome through the Porta Pia and complete the unification of Italy.
  • 1871
    Bishop John Coleridge Patteson is martyred on the island of Nukapu, a Polynesian outlier island now in the Temotu Province of the Solomon Islands. He is the first bishop of Melanesia.
  • 1881
    Chester A. Arthur is inaugurated as the 21st President of the United States following the assassination of James Garfield.
  • 1909
    The Parliament of the United Kingdom passes the South Africa Act 1909, creating the Union of South Africa from the British Colonies of the Cape of Good Hope, Natal, Orange River Colony, and the Transvaal Colony.
  • 1920
    Foundation of the Spanish Legion.
  • 1961
    Greek general Konstantinos Dovas becomes Prime Minister of Greece.
  • 1962
    James Meredith, an African-American, is temporarily barred from entering the University of Mississippi.
  • 1970
    Syrian tanks roll into Jordan in response to continued fighting between Jordan and the fedayeen.
  • 1971
    Having weakened after making landfall in Nicaragua the previous day, Hurricane Irene regains enough strength to be renamed Hurricane Olivia, making it the first known hurricane to cross from the Atlantic Ocean into the Pacific.
  • 1973
    Billie Jean King beats Bobby Riggs in The Battle of the Sexes tennis match at the Houston Astrodome in Houston, Texas.
  • 1984
    A suicide bomber in a car attacks the U.S. embassy in Beirut, Lebanon, killing twenty-two people.
  • 2000
    The British MI6 Secret Intelligence Service building is attacked by unapprehended forces using a Russian-built RPG-22 anti-tank missile.
  • 2001
    In an address to a joint session of Congress and the American people, U.S. President George W. Bush declares a “war on terror”.

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