About September 3
September 3, 2025 is the 246th day of the year 2025 in the Gregorian calendar. There are 119 days remaining until the end of this year. The day of the week is Wednesday.
You can browse the full year calendar in case you need it.
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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 167 days remaining before the start of the next Chinese New Year.
What Happened On September 3
- 301 –San Marino, one of the smallest nations in the world and the world’s oldest republic still in existence, is founded by Saint Marinus.
- 1260 –The Mamluks defeat the Mongols at the Battle of Ain Jalut in Palestine, marking their first decisive defeat and the point of maximum expansion of the Mongol Empire.
- 1666 –The Royal Exchange burns down in the Great Fire of London
- 1777 –American Revolutionary War: during the Battle of Cooch’s Bridge, the Flag of the United States is flown in battle for the first time.
- 1783 –American Revolutionary War: the war ends with the signing of the Treaty of Paris by the United States and the Kingdom of Great Britain.
- 1798 –The week long battle of St. George’s Caye begins between Spain and Britain off the coast of Belize.
- 1803 –English scientist John Dalton begins using symbols to represent the atoms of different elements.
- 1838 –Future abolitionist Frederick Douglass escapes from slavery.
- 1855 –Indian Wars: in Nebraska, 700 soldiers under United States General William S. Harney avenge the Grattan Massacre by attacking a Sioux village and killing 100 men, women and children.
- 1875 –The first official game of Polo is played in Argentina after being introduced by British Ranchers.
- 1914 –William, Prince of Albania leaves the country after just six months due to opposition to his rule.
- 1925 –USS Shenandoah (ZR-1), the United States’ first American-built rigid airship, was destroyed in a squall line over Noble County, Ohio. Fourteen of her 42-man crew perished, including her commander, Zachary Lansdowne.
- 1939 –World War II: France, the United Kingdom, New Zealand and Australia declare war on Germany after the invasion of Poland, forming the Allies.
- 1941 –The Holocaust: Karl Fritzsch, deputy camp commandant of the Auschwitz concentration camp, experiments with the use of Zyklon B in the gassing of Soviet POWs.
- 1944 –Holocaust: diarist Anne Frank and her family are placed on the last transport train from Westerbork to Auschwitz, arriving three days later.
- 1945 –Three-day celebration was held in China, following the Victory over Japan Day on September 2.
- 1950 –“Nino” Farina becomes the first Formula One Drivers’ champion after winning the 1950 Italian Grand Prix.
- 1951 –The first long-running American television soap opera, Search for Tomorrow, airs its first episode on the CBS network.
- 1954 –The German U-Boat U-505 begins its move from a specially constructed dock to its final site at Chicago’s Museum of Science and Industry.
- 1987 –In a coup d'état in Burundi, President Jean-Baptiste Bagaza is deposed by Major Pierre Buyoya.
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