About September 11
September 11, 2025 is the 254th day of the year 2025 in the Gregorian calendar. There are 111 days remaining until the end of this year. The day of the week is Thursday.
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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 159 days remaining before the start of the next Chinese New Year.
September 11: More About This Day
It is usually the first day of the year in the Coptic calendar and Ethiopian calendar (in the period AD 1900 to AD 2099).
What Happened On September 11
- 1185 –Isaac II Angelus kills Stephanus Hagiochristophorites and then appeals to the people, resulting in the revolt that deposes Andronicus I Comnenus and places Isaac on the throne of the Byzantine Empire.
- 1226 –The Roman Catholic practice of public adoration of the Blessed Sacrament outside of Mass spreads from monasteries to parishes.
- 1541 –Santiago, Chile, is destroyed by indigenous warriors, led by Michimalonko.
- 1609 –Expulsion order announced against the Moriscos of Valencia; beginning of the expulsion of all Spain’s Moriscos.
- 1609 –Henry Hudson discovers Manhattan Island and the indigenous people living there.
- 1697 –Battle of Zenta.
- 1708 –Charles XII of Sweden stops his march to conquer Moscow outside Smolensk, marking the turning point in the Great Northern War. The army is defeated nine months later in the Battle of Poltava, and the Swedish empire ceases to be a major power.
- 1714 –Siege of Barcelona: Barcelona, capital city of Catalonia, surrenders to Spanish and French Bourbon armies in the War of the Spanish Succession.
- 1775 –Benedict Arnold’s expedition to Quebec leaves Cambridge, Massachusetts.
- 1776 –British-American peace conference on Staten Island fails to stop nascent American Revolutionary War.
- 1803 –Battle of Delhi, during the Second Anglo-Maratha War, between British troops under General Lake, and Marathas of Scindia’s army under General Louis Bourquin.
- 1897 –After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
- 1914 –Australia invades New Britain, defeating a German contingent at the Battle of Bita Paka.
- 1919 –U.S. Marines invade Honduras.
- 1931 –Salvatore Maranzano is murdered by Charles Luciano’s hitmen.
- 1943 –World War II: Start of the liquidation of the Ghettos in Minsk and Lida by the Nazis.
- 1945 –World War II: Australian 9th Division forces liberate the Japanese-run Batu Lintang camp, a POW and civilian internment camp on the island of Borneo.
- 1961 –Foundation of the World Wildlife Fund.
- 1965 –Indo-Pakistani War: The Indian Army captures the town of Burki, just southeast of Lahore.
- 1980 –Voters approve the present Constitution of Chile.
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