About July 17
July 17, 2025 is the 198th day of the year 2025 in the Gregorian calendar. There are 167 days remaining until the end of this year. The day of the week is Thursday.
You can browse the full year calendar in case you need it.
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Cancer is the sun sign of a person born on this day. Ruby is the modern birthstone for this month. Ruby is the mystical birthstone from Tibetan origin that dates back over a thousand years.
According to the lunisolar Chinese calendar, there are 215 days remaining before the start of the next Chinese New Year.
What Happened On July 17
- 1203 –The Fourth Crusade captures Constantinople by assault. The Byzantine emperor Alexius III Angelus flees from his capital into exile.
- 1453 –Hundred Years’ War: Battle of Castillon: The French under Jean Bureau defeat the English under the Earl of Shrewsbury, who is killed in the battle in Gascony.
- 1586 –A meeting takes place at Lüneburg between several Protestant powers in order to discuss the formation of an ‘evangelical’league of defence, called the 'Confederatio Militiae Evangelicae', against the Catholic League.
- 1771 –Bloody Falls Massacre: Chipewyan chief Matonabbee, travelling as the guide to Samuel Hearne on his Arctic overland journey, massacres a group of unsuspecting Inuit.
- 1794 –The sixteen Carmelite Martyrs of Compiegne are executed 10 days prior to the end of the French Revolution’s Reign of Terror.
- 1856 –The Great Train Wreck of 1856 in Fort Washington, Pennsylvania, kills over 60 people.
- 1867 –Harvard School of Dental Medicine was established in Boston. It was the first dental school in the U.S.
- 1899 –NEC Corporation is organized as the first Japanese joint venture with foreign capital.
- 1917 –King George V of the United Kingdom issues a Proclamation stating that the male line descendants of the British royal family will bear the surname Windsor.
- 1918 –The RMS Carpathia, the ship that rescued the 705 survivors from the RMS Titanic, is sunk off Ireland by the German SMU U-55; 5 lives are lost.
- 1944 –Port Chicago disaster: Near the San Francisco Bay, two ships laden with ammunition for the war explode in Port Chicago, California, killing 320.
- 1944 –World War II: Napalm incendiary bombs are dropped for the first time by American P-38 pilots on a fuel depot at Coutances, near St. Lô, France.
- 1948 –The South Korean constitution is proclaimed.
- 1962 –Nuclear weapons testing: The “Small Boy” test shot Little Feller I becomes the last atmospheric test detonation at the Nevada Test Site.
- 1973 –King Mohammed Zahir Shah of Afghanistan is deposed by his cousin Mohammed Daoud Khan while in Italy undergoing eye surgery.
- 1975 –Apollo-Soyuz Test Project: An American Apollo and a Soviet Soyuz spacecraft dock with each other in orbit marking the first such link-up between spacecraft from the two nations.
- 1976 –The opening of the Summer Olympics in Montreal is marred by 25 African teams boycotting the New Zealand team.
- 1996 –TWA Flight 800: Off the coast of Long Island, New York, a Paris-bound TWA Boeing 747 explodes, killing all 230 on board.
- 1998 –Papua New Guinea earthquake: A tsunami triggered by an undersea earthquake destroys 10 villages in Papua New Guinea killing an estimated 3,183, leaving 2,000 more unaccounted for and thousands more homeless.
- 2009 –Jakarta double bombings at the JW Marriott and Ritz-Carlton Hotels killed 9 people including 4 foreigners.
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