What are the important events that happened on September 24? Here are historical events, facts, and some myths about this day.

September 24: Facts & Myths About This Day

September 24 is the 267^th day of the year 2025 in the Gregorian calendar. There are 98 days remaining until the end of this year. The day of the week is Wednesday.

Under the Julian calendar, this day is September 11, 2025 – a Wednesday. Both day of the week are the same but did you notice the difference with the Gregorian calendar?

When this day started, 1,758,672,000 seconds has elapsed since midnight of January 1, 1970 – the Unix epoch.

Strange as it may, if we name this day after a polygon then it will be called ‘dihectahexacontaheptagon’ day.

Libra is the zodiac 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 146 days remaining before the start of the next Chinese New Year.

The ancient Maya civilization believes that the end of the world will happen on December 21, 2012. There are now 4,660 days since this fabled cataclysmic event.

September 24 Historical Events

• 1664 –
  The Dutch Republic surrenders New Amsterdam to England.
• 1841 –
  The Sultan of Brunei cedes Sarawak to the United Kingdom.
• 1869 –
  “Black Friday”: Gold prices plummet after Ulysses S. Grant orders the Treasury to sell large quantities of gold after Jay Gould and James Fisk plot to control the market.
• 1890 –
  The Church of Jesus Christ of Latter-day Saints officially renounces polygamy.
• 1906 –
  U.S. President Theodore Roosevelt proclaims Devils Tower in Wyoming as the nation’s first National Monument.
• 1932 –
  Gandhi and Dr. B. R. Ambedkar agree to the Poona Pact, which reserved seats in the Indian provincial legislatures for the “Depressed Classes” (Untouchables).
• 1937 –
  Second Sino-Japanese War: The Chinese Eighth Route Army gains a minor, but morale-boosting victory in the Battle of Pingxingguan.
• 1988 –
  National League for Democracy is formed by Aung San Suu Kyi and various others to help fight against dictatorship in Myanmar.
• 1996 –
  Representatives of 71 nations sign the Comprehensive Nuclear-Test-Ban Treaty at the United Nations.
• 2007 –
  Between 30,000 and 100,000 people take part in anti-government protests in Yangon, Burma, the largest in 20 years.

Who were born on September 24?

• 1894 –
  Tommy Armour, Anglo-American golfer (d. 1968)
• 1945 –
  Lou Dobbs, American journalist and television anchor
• 1946 –
  César Pedroso, Cuban pianist with Orquesta Revé and Los Van Van
• 1950 –
  Alan Colmes, American talk show host
• 1959 –
  Theo Paphitis, Cyprus-born British entrepreneur
• 1962 –
  Mike Phelan, English footballer
• 1962 –
  Rosamund Kwan, Hong Kong actress
• 1966 –
  Bernard Gilkey, American baseball player
• 1969 –
  Shamim Sarif, English novelist and filmmaker
• 1979 –
  Katja Kassin, German pornographic actress

Who died on September 24?

• 1054 –
  Hermannus Contractus, scholar (b. 1013)
• 1213 –
  Gertrude of Merania, wife of Andrew II of Hungary (murdered) (b. 1185)
• 1275 –
  Humphrey de Bohun, 2nd Earl of Hereford, Constable of England (b. 1208)
• 1889 –
  Charles Leroux, American balloonist and parachutist (b. 1856)
• 1896 –
  Louis De Geer, 1st Swedish Prime Minister (b. 1818)
• 1904 –
  Niels Ryberg Finsen, Danish physician, recipient of the Nobel Prize in Physiology or Medicine (b. 1860)
• 1929 –
  Prince Mahidol of the Kingdom of Thailand (b. 1892)
• 1933 –
  Mike Donlin, American baseball player (b. 1878)
• 1993 –
  Ian Stuart Donaldson, British musician (b. 1957)
• 2010 –
  Gennady Yanayev, Soviet politician (b. 1937)