Live count up
How many days since Facebook launched?
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Counting since Wednesday, February 4, 2004.
On February 4, 2004, Mark Zuckerberg launched thefacebook.com from his Harvard dorm room. It was initially limited to Harvard students. Within a month, more than half the undergrads had signed up.
Fast facts
- Facebook hit 1 million users by the end of 2004.
- It dropped the "the" and rebranded from thefacebook.com to facebook.com in 2005.
- The parent company renamed itself to Meta on October 28, 2021.
- Facebook has over 3 billion monthly active users today — about a third of humanity.