The History of Facebook

  • Facebook founded

    Mark Zuckerberg launches "Thefacebook," which he created while enrolled at Harvard College.
  • Facebook opens to everyone 13 years old and older, with a valid email address

  • Facebook reaches 300 million users

  • Facebook reaches 500 million users

  • One of the world's oldest Facebook users dies

    Ivy Bean, one of the world's oldest Facebook users, dies at age 104. At the time of her death, she had 4,962 friends and 25,000 pending friend requests.
  • "The Social Network" premieres

    "The Social Network," a drama film about the founding of Facebook, premieres in theaters.
  • Facebook reaches 800 million users

  • Facebook Timeline launches

    Facebook launches its new user profile interface, Facebook Timeline.
  • Nielsen Media Research concludes that Facebook is the number two website in the U.S.

    In a study conducted between January and October 2011, Nielsen Media Research found that Facebook is the second most-visited website in the U.S. Facebook only trails Google in these rankings.
  • Facebook files for $5 billion IPO

    Facebook files a $5 billion initial public offering, making this IPO one of the biggest in internet history and one of the biggest in tech history.