What Day Of The Week Was August 13?

Thursday August 13, 2026
A date scroll with Latin text from “The Extremes of Good and Evil” by Cicero, written in 45 BC.

August 13: Day of the Week

August 13, 2026 is the 225th day of the year 2026 in the Gregorian calendar. There are 140 days remaining until the end of the year. The day of the week is Thursday.

If you are trying to learn Japanese then this day of the week in Japanese is Mokuyōbi.

Here’s the August calendar. You can also browse the full year monthly calendar.

August 2026
SunMonTueWedThuFriSat
1
2345678
9101112131415
16171819202122
23242526272829
3031

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Zodiac & Birthstone

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.

August 13 by the Numbers

  • 177 days since August 13
  • 0 year, 5 months, and 24 days ago
  • 5 months since then
  • August 13 is in the 33rd week of the year 2026 (ISO 8601)
  • 25 weeks ago
  • The year 2026 is not a leap year

August 13 Historical Event(s)

1553Michael Servetus is arrested by John Calvin in Geneva as a heretic. 1704War of the Spanish Succession: Battle of Blenheim – English and Austrian forces are victorious over French and Bavarian troops. 1792King Louis XVI of France is formally arrested by the National Tribunal, and declared an enemy of the people. 1806Battle of Mišar during the Serbian revolution begins. The battle will end two days later, with a decisive Serbian victory over the Ottomans. 1937The Battle of Shanghai begins. 1942Major 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. 1961The German Democratic Republic closes the border between the eastern and western sectors of Berlin to thwart its inhabitants’ attempts to escape to the West. 1977Members of the British National Front (NF) clash with anti-NF demonstrators in Lewisham, London, resulting in 214 arrests and at least 111 injuries. 2008South Ossetian War: Russian units occupy the Georgian city of Gori. 2011The main stage collapses at the Indiana State Fair in Indianapolis during a hurricane-force wind gust ahead of an approaching severe thunderstorm, killing 7 and injuring 45.

Who were born on August 13?

1717Louis François I, Prince of Conti, French military leader (d. 1776) 1879John Ireland, English composer (d. 1962) 1906Miklós Borsos, Hungarian sculptor (d. 1990) 1930Wilfried Hilker, German football referee 1947Margareta Winberg, Swedish politician 1960Koji Kondo, Japanese composer 1966Shayne Corson, Canadian ice hockey player 1970Matt Hyson, American professional wrestler 1974Sam Endicott, American singer (The Bravery) 1979Corey Patterson, American baseball player

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