About August 9

August 9, 2025 is the 221st day of the year 2025 in the Gregorian calendar. There are 144 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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Leo is the sun sign of a person born on this day. Peridot is the modern birthstone for this month. Diamond is the mystical birthstone from Tibetan origin that dates back over a thousand years.

According to the lunisolar Chinese calendar, there are 192 days remaining before the start of the next Chinese New Year.

What Happened On August 9

  • 48 BC
    Caesar’s civil war: Battle of Pharsalus – Julius Caesar decisively defeats Pompey at Pharsalus and Pompey flees to Egypt.
  • 378
    Gothic War: Battle of Adrianople – A large Roman army led by Emperor Valens is defeated by the Visigoths in present-day Turkey. Valens is killed along with over half of his army.
  • 1173
    Construction of the campanile of the cathedral of Pisa (now known as the Leaning Tower of Pisa) begins; it will take two centuries to complete.
  • 1329
    Quilon, the first Indian Christian Diocese, is erected by Pope John XXII; the French-born Jordanus is appointed the first Bishop.
  • 1483
    Opening of the Sistine Chapel in Rome with the celebration of a Mass.
  • 1810
    Napoleon annexes Westphalia as part of the First French Empire.
  • 1842
    The Webster-Ashburton Treaty is signed, establishing the United States-Canada border east of the Rocky Mountains.
  • 1892
    Thomas Edison receives a patent for a two-way telegraph.
  • 1902
    Edward VII and Alexandra of Denmark are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
  • 1907
    The first Boy Scout encampment concludes at Brownsea Island in southern England.
  • 1925
    A train robbery takes place in Kakori, near Lucknow, India
  • 1936
    Summer Olympic Games: Games of the XI Olympiad – Jesse Owens wins his fourth gold medal at the games becoming the first American to win four medals in one Olympiad.
  • 1942
    Indian leader Mahatma Gandhi is arrested in Bombay by British forces, launching the Quit India Movement.
  • 1944
    The United States Forest Service and the Wartime Advertising Council release posters featuring Smokey Bear for the first time.
  • 1945
    World War II: Nagasaki is devastated when an atomic bomb, Fat Man, is dropped by the United States B-29 Bockscar. 39,000 people are killed outright.
  • 1965
    A fire at a Titan missile base near Searcy, Arkansas kills 53 construction workers.
  • 1969
    Members of a cult led by Charles Manson brutally murder pregnant actress Sharon Tate (wife of Roman Polanski), coffee heiress Abigail Folger, Polish actor Wojciech Frykowski, men’s hairstylist Jay Sebring and recent high-school graduate Steven Parent.
  • 1974
    As a direct result of the Watergate scandal, Richard Nixon becomes the first President of the United States to resign from office. His Vice President, Gerald Ford, becomes president.
  • 1993
    The Liberal Democratic Party of Japan loses a 38-year hold on national leadership.
  • 2006
    At least 21 suspected terrorists were arrested in the 2006 transatlantic aircraft plot that happened in the United Kingdom. The arrests were made in London, Birmingham, and High Wycombe, Buckinghamshire, in an overnight operation.

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