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

  • 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.
  • 1791
    Members of the French National Guard under the command of General Lafayette open fire on a crowd of radical Jacobins at the Champ de Mars, Paris, during the French Revolution, killing as many as 50 people.
  • 1856
    The Great Train Wreck of 1856 in Fort Washington, Pennsylvania, kills over 60 people.
  • 1899
    NEC Corporation is organized as the first Japanese joint venture with foreign capital.
  • 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.
  • 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.
  • 1933
    After successfully crossing the Atlantic Ocean, the Lithuanian research aircraft Lituanica crashes in Europe under mysterious circumstances.
  • 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.
  • 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.
  • 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.
  • 1979
    Nicaraguan president General Anastasio Somoza Debayle resigns and flees to Miami, Florida.
  • 1981
    A structural failure leads to the collapse of a walkway at the Hyatt Regency in Kansas City, Missouri killing 114 people and injuring more than 200.
  • 1981
    The opening of the Humber Bridge by HM The Queen in England.
  • 1998
    A diplomatic conference adopts the Rome Statute of the International Criminal Court, establishing a permanent international court to prosecute individuals for genocide, crime against humanity, war crimes, and the crime of aggression.

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