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Wikipedia turns 25!

Wikipedia was first founded on January 15, 2001. Today, it turns 25! Wikipedia is written, edited, and fact checked by nearly 250,000 people, all volunteers

The #1Lib1Ref 2026 campaign is underway!

The #1Lib1Ref campaign is now in its 9th year! Wikimedia Canada invites you to participate in the Canadian #1Lib1Ref competition running from January 15th to February 5th, 2026.