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@Wikipedia

The official Twitter account for the sum of all knowledge, Wikipedia. Overseen by .

Joined October 2009

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  1. Pinned Tweet

    When you support the Wikimedia Foundation, you support the volunteers who build Wikipedia.

    This is the Wikimedia Foundation
  2. Vandalism to articles on Hillary Clinton and others was reverted quickly by volunteer editors. Articles are protected and being monitored.

  3. If you get an error message about the security certificate issue our provider is working to address, try Firefox, which appears unaffected.

  4. Novelist Irène Némirovsky spent over half her life in France and wrote in French, but was denied French citizenship.

  5. We are working with security certificate provider to address their issues causing error messages some users seeing. Thanks for telling us!

  6. The konye, a critically endangered fish, is threatened by "burps" of CO-2.

  7. On this day in 1923: Ankara replaced Istanbul as Turkey's capital city.

  8. On this day in 1332: 6-year-old Rinchinbal Khan became Emperor of the Yuan dynasty, but reigned for only 53 days.

  9. NASA animation of the Earth at night from satellite photos is in public domain on Wikimedia Commons here:

  10. For Women's History Month, we're impacting 's Gender Bias with an Edit-a-thon on Oct. 26th! ♀💜Learn More:

  11. A fascination with exploration: the polar pioneers of Wikipedia

  12. Today's featured article is on the gold dollar, a regular issue by the U.S. Mint from 1849 to 1889.

  13. On this day in 1964: The Soviet Union launched Voskhod 1, the first spaceflight without the use of space suits.

  14. On this day in 1773: America's first insane asylum opened in Virginia. (Today the building operates as a museum.)

  15. The oldest known human footprints in continental Europe, c. 350,000 years ago, are called "devil's trails."

  16. People all over the world have yet to discover Wikipedia. We went to them to find out why.

  17. Immature defense mechanisms like denial are tied to glucose metabolization in the brain's left prefrontal cortex.

  18. Born this day 1894: Luis Ángel Firpo, boxer famous for knocking Jack Dempsey out of ring. Painting by George Bellows

  19. Mars requires less energy per unit mass to reach from Earth than any planet except Venus.

  20. Ada Lovelace's 1842 diagram for the first published computer algorithm, and portrait of her. More:

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