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.
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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
- 180 –Twelve inhabitants of Scillium in North Africa are executed for being Christians. This is the earliest record of Christianity in that part of the world.
- 1203 –The Fourth Crusade captures Constantinople by assault. The Byzantine emperor Alexius III Angelus flees from his capital into exile.
- 1402 –Zhu Di, better known by his era name as the Yongle Emperor, assumes the throne over the Ming Dynasty of China.
- 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.
- 1762 –Catherine II becomes tsar of Russia upon the murder of Peter III of Russia.
- 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.
- 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 –On the orders of the Bolshevik Party carried out by Cheka, Tsar Nicholas II of Russia and his immediate family and retainers are murdered at the Ipatiev House in Ekaterinburg, Russia.
- 1933 –After successfully crossing the Atlantic Ocean, the Lithuanian research aircraft Lituanica crashes in Europe under mysterious circumstances.
- 1948 –The South Korean constitution is proclaimed.
- 1955 –Disneyland is dedicated and opened by Walt Disney in Anaheim, California.
- 1962 –Nuclear weapons testing: The “Small Boy” test shot Little Feller I becomes the last atmospheric test detonation at the Nevada Test Site.
- 1968 –A revolution occurs in Iraq when Abdul Rahman Arif is overthrown and the Ba'ath Party is installed as the governing power in Iraq with Ahmed Hassan al-Bakr as the new Iraqi President.
- 1973 –King Mohammed Zahir Shah of Afghanistan is deposed by his cousin Mohammed Daoud Khan while in Italy undergoing eye surgery.
- 1976 –History of East Timor: East Timor is annexed, and becomes the 27th province of Indonesia.
- 1989 –First flight of the B-2 Spirit Stealth Bomber.
- 2007 –TAM Airlines (TAM Linhas Aéreas) Flight 3054 crashes upon landing during rain in São Paulo. This is Brazil’s deadliest aviation accident to date with an estimated 199 deaths.
- 2009 –Jakarta double bombings at the JW Marriott and Ritz-Carlton Hotels killed 9 people including 4 foreigners.
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