About October 23
October 23, 2025 is the 296th day of the year 2025 in the Gregorian calendar. There are 69 days remaining until the end of this year. The day of the week is Thursday.
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Libra is the sun sign of a person born on this day. Opal is the modern birthstone for this month. Jasper is the mystical birthstone from Tibetan origin that dates back over a thousand years.
According to the lunisolar Chinese calendar, there are 117 days remaining before the start of the next Chinese New Year.
What Happened On October 23
- 42 BC –Roman Republican civil wars: Second Battle of Philippi – Mark Antony and Octavian decisively defeat Brutus’s army. Brutus commits suicide.
- 502 –The Synodus Palmaris, called by Gothic king Theodoric the Great, discharges Pope Symmachus of all charges, thus ending the schism of Antipope Laurentius.
- 1157 –The Battle of Grathe Heath ends the civil war in Denmark. King Sweyn III is killed and Valdemar I restores the country.
- 1295 –The first treaty forming the Auld Alliance between Scotland and France against England is signed in Paris.
- 1641 –Outbreak of the Irish Rebellion of 1641.
- 1739 –War of Jenkins’ Ear starts: British Prime Minister, Robert Walpole, reluctantly declares war on Spain.
- 1812 –Claude François de Malet, a French general, begins a conspiracy to overthrow Napoleon Bonaparte, claiming that the Emperor died in Russia and that he is now the commandant of Paris.
- 1867 –72 Senators are summoned by Royal Proclamation to serve as the first members of the Canadian Senate.
- 1911 –First use of aircraft in war: An Italian pilot takes off from Libya to observe Turkish army lines during the Turco-Italian War.
- 1915 –Woman’s suffrage: In New York City, 25,000-33,000 women march on Fifth Avenue to advocate their right to vote.
- 1917 –Lenin calls for the October Revolution.
- 1929 –Great Depression: After a steady decline in stock market prices since a peak in September, the New York Stock Exchange begins to show signs of panic.
- 1970 –Gary Gabelich sets a land speed record in a rocket-powered automobile called the Blue Flame, fueled with natural gas.
- 1972 –Operation Linebacker, a US bombing campaign against North Vietnam in response to its Easter Offensive, ends after five months.
- 1973 –A United Nations sanctioned cease-fire officially ends the Yom Kippur War between Israel and Syria.
- 1983 –Lebanon Civil War: The U.S. Marines barracks in Beirut is hit by a truck bomb, killing 241 U.S. military personnel. A French army barracks in Lebanon is also hit that same morning, killing 58 troops.
- 1989 –Phillips Disaster in Pasadena, Texas kills 23 and injures 314.
- 1998 –Israeli-Palestinian Conflict: Israeli Prime Minister Benjamin Netanyahu and Palestinian Chairman Yasser Arafat reach a “land for peace” agreement.
- 2004 –A powerful earthquake and its aftershocks hit Niigata prefecture, northern Japan, killing 35 people, injuring 2,200, and leaving 85,000 homeless or evacuated.
- 2011 –A powerful 7.2 magnitude earthquake strikes Van Province, Turkey, killing 582 people and injuring thousands.
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