What are the important events that happened on August 11? Here are historical events, facts, and some myths about this day.

August 11: Facts & Myths About This Day

August 11 is the 223^rd day of the year 2025 in the Gregorian calendar. There are 142 days remaining until the end of this year. The day of the week is Monday.

Under the Julian calendar, this day is July 29, 2025 – a Monday. Both day of the week are the same but did you notice the difference with the Gregorian calendar?

When this day started, 1,754,870,400 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 ‘dihectaicosatrigon’ day.

Leo is the zodiac 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 190 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 4,616 days since this fabled cataclysmic event.

August 11 Historical Events

• 3114 BC –
  The Mesoamerican Long Count calendar, used by several pre-Columbian Mesoamerican civilizations, notably the Mayans, begins.
• 106 –
  The south-eastern part of Dacia (modern Romania) becomes a Roman province: Roman Dacia.
• 1332 –
  Wars of Scottish Independence: Battle of Dupplin Moor – Scots under Domhnall II, Earl of Mar are routed by Edward Balliol.
• 1804 –
  Francis II assumes the title of first Emperor of Austria.
• 1858 –
  The Eiger in the Bernese Alps is ascended for the first time by Charles Barrington accompanied by Christian Almer and Peter Bohren.
• 1942 –
  Actress Hedy Lamarr and composer George Antheil receive a patent for a frequency hopping, spread spectrum communication system that later became the basis for modern technologies in wireless telephones and Wi-Fi.
• 1972 –
  Vietnam War: the last United States ground combat unit leaves South Vietnam.
• 1975 –
  East Timor: Governor Mário Lemos Pires of Portuguese Timor abandons the capital Dili, following a coup by the Timorese Democratic Union (UDT) and the outbreak of civil war between UDT and Fretilin.
• 1982 –
  A bomb explodes on Pan Am Flight 830, en route from Tokyo to Honolulu, killing one teenager and injuring 15 passengers.
• 1984 –
  “We begin bombing in five minutes” - United States President Ronald Reagan, while running for re-election, jokes while preparing to make his weekly Saturday address on National Public Radio.

Who were born on August 11?

• 1897 –
  Enid Blyton, English author (d. 1968)
• 1926 –
  Aaron Klug, Lithuanian-born British chemist and biophysicist, Nobel Laureate
• 1930 –
  Paul Soles, Canadian actor and television personality
• 1944 –
  Frederick W. Smith, American entrepreneur
• 1957 –
  Ian Stuart Donaldson, British singer (Skrewdriver) (d. 1993)
• 1965 –
  Duane Martin, American actor
• 1974 –
  Anju Jain, Indian cricketer
• 1974 –
  Kira Kener, American pornographic actress
• 1976 –
  Bubba Crosby, American baseball player
• 1987 –
  Drew Storen, American baseball player

Who died on August 11?

• 1519 –
  Johann Tetzel, German opponent of the Reformation (b. 1465)
• 1774 –
  Tiphaigne de la Roche, French writer (b. 1722)
• 1854 –
  Macedonio Melloni, Italian physicist (b. 1798)
• 1868 –
  Halfdan Kjerulf, Norwegian composer (b. 1815)
• 1953 –
  Tazio Nuvolari, Italian race car driver (b. 1892)
• 1954 –
  Santo Trafficante, Sr., Sicilian-born American mobster (b. 1886)
• 1972 –
  Max Theiler, South African virologist, Nobel Laureate (b. 1899)
• 1995 –
  Phil Harris, American singer and comedian (b. 1904)
• 2002 –
  Galen Rowell, American photographer and mountain climber (b. 1940)
• 2006 –
  Mike Douglas, American singer and talk show host (b. 1925)