About September 13
September 13, 2025 is the 256th day of the year 2025 in the Gregorian calendar. There are 109 days remaining until the end of this year. The day of the week is Saturday.
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Virgo is the sun 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 157 days remaining before the start of the next Chinese New Year.
What Happened On September 13
- 585 BC –Lucius Tarquinius Priscus, king of Rome, celebrates a triumph for his victories over the Sabines, and the surrender of Collatia.
- 509 BC –The Temple of Jupiter Optimus Maximus on Rome’s Capitoline Hill is dedicated on the ides of September.
- 1213 –End of Battle of Muret, during the Albigensian Crusade to destroy the Cathar heresy.
- 1229 –Ögedei Khan is proclaimed Khagan of the Mongol Empire in Kodoe Aral, Khentii: Mongolia.
- 1584 –San Lorenzo del Escorial Palace in Madrid is finished.
- 1609 –Henry Hudson reaches the river that would later be named after him – the Hudson River.
- 1788 –The Philadelphia Convention sets the date for the first presidential election in the United States, and New York City becomes the country’s temporary capital.
- 1791 –King Louis XVI of France accepts the new constitution.
- 1812 –War of 1812: A supply wagon sent to relieve Fort Harrison is ambushed in the Attack at the Narrows.
- 1914 –World War I: South African troops open hostilities in German south-west Africa (Namibia) with an assault on the Ramansdrift police station.
- 1922 –The final act of the Greco-Turkish War, the Great Fire of Smyrna, commences.
- 1923 –Following a military coup in Spain, Miguel Primo de Rivera takes over, setting up a dictatorship.
- 1935 –Rockslide near Whirlpool Rapids Bridge ends the International Railway (New York – Ontario).
- 1942 –World War II: Second day of the Battle of Edson’s Ridge in the Guadalcanal campaign. U.S. Marines successfully defeated attacks by the Imperial Japanese Army with heavy losses for the Japanese forces.
- 1964 –South Vietnamese Generals Lam Van Phat and Duong Van Duc fail in a coup attempt against General Nguyen Khanh.
- 1979 –South Africa grants independence to the “homeland” of Venda (not recognised outside South Africa).
- 1987 –Goiânia accident: A radioactive object is stolen from an abandoned hospital in Goiânia, Brazil, contaminating many people in the following weeks and causing some to die from radiation poisoning.
- 1989 –Largest anti-Apartheid march in South Africa, led by Desmond Tutu.
- 1994 –Ulysses probe passes the Sun’s south pole.
- 2008 –Hurricane Ike makes landfall on the Texas Gulf Coast of the United States, causing heavy damage to Galveston Island, Houston and surrounding areas.
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