What are the important events that happened on August 13? Here are historical events, facts, and some myths about this day.

August 13: Facts & Myths About This Day

August 13 is the 225^th day of the year 2025 in the Gregorian calendar. There are 140 days remaining until the end of this year. The day of the week is Wednesday.

Under the Julian calendar, this day is July 31, 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, 487,512 hours 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 ‘dihectaicosapentagon’ 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 188 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 4,618 days since this fabled cataclysmic event.

August 13 Historical Events

• 1521 –
  Tenochtitlán (present day Mexico City) falls to conquistador Hernán Cortés.
• 1913 –
  First production in the UK of stainless steel by Harry Brearley.
• 1913 –
  Otto Witte, an acrobat, is purportedly crowned King of Albania.
• 1918 –
  Bayerische Motoren Werke AG (BMW) established as a public company in Germany.
• 1942 –
  Major General Eugene Reybold of the U.S. Army Corps of Engineers authorizes the construction of facilities that would house the “Development of Substitute Materials” project, better known as the Manhattan Project.
• 1968 –
  Alexandros Panagoulis attempts to assassinate the Greek dictator Colonel Georgios Papadopoulos in Varkiza, Athens.
• 1969 –
  The Apollo 11 astronauts are released from a three-week quarantine to enjoy a ticker-tape parade in New York. That evening, at a state dinner in Los Angeles, they are awarded the Presidential Medal of Freedom by U.S. President Richard Nixon.
• 1977 –
  Members of the British National Front (NF) clash with anti-NF demonstrators in Lewisham, London, resulting in 214 arrests and at least 111 injuries.
• 1978 –
  150 Palestinians in Beirut are killed in a terrorist attack during the second phase of the Lebanese Civil War.
• 1979 –
  The roof of the uncompleted Rosemont Horizon near Chicago, Illinois collapses, killing 5 workers and injuring 16.

Who were born on August 13?

• 1851 –
  Felix Adler, German-born American educator (d. 1933)
• 1919 –
  Sir George Shearing, British jazz pianist (d. 2011)
• 1944 –
  Divina Galica, British athlete and racing driver
• 1947 –
  Margareta Winberg, Swedish politician
• 1951 –
  Dan Fogelberg, American singer-songwriter (d. 2007)
• 1959 –
  Bruce French, England cricketer
• 1959 –
  Danny Bonaduce, American actor
• 1961 –
  Stuart Maconie, English music writer and broadcaster
• 1979 –
  Corey Patterson, American baseball player
• 1984 –
  James Morrison, British singer

Who died on August 13?

• 1865 –
  Ignaz Semmelweis, Austro-Hungarian physician (b. 1818)
• 1989 –
  Tim Richmond, American race car driver (b. 1955)
• 1991 –
  Jack Ryan, American designer (Barbie) (b. 1926)
• 1995 –
  Mickey Mantle, American baseball player (b. 1931)
• 1998 –
  Julien Green, American novelist (b. 1900)
• 1999 –
  Jaime Garzón, Colombian journalist and comedian (b. 1960)
• 2006 –
  Tony Jay, English actor (b. 1933)
• 2007 –
  Phil Rizzuto, American baseball player and sportscaster (b. 1917)
• 2007 –
  Yone Minagawa, Japanese supercentenarian (b. 1893)
• 2010 –
  Edwin Newman, American broadcast journalist (b. 1919)