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2004
Facebook (then called "thefacebook") was founded by Zuckerberg, Moskovitz, Saverin and Hughes. -
March, 2004
Facebook spreads to three other college campuses - Yale, Columbia and Stanford. -
September, 2004
The site launches the now infamous "wall" - which allows users to post things and receive messages on their own page. -
December, 2004
Facebook hits 1 million users. -
September, 2005
The site expands to high school networks. It also drops the "the" to become just "Facebook." -
October, 2005
Facebook adds photos and goes international. -
April, 2006
Facebook goes mobile. -
September, 2006
Anyone can now join Facebook. -
July, 2010
Over 500 million users are active on Facebook. -
April, 2012
Acquisition of Instagram is announced. -
February, 2014
Acquisition of WhatsApp is announced. -
July, 2016
Over 1 billion users of Messenger a month. -
September, 2018
Facebook is allegedly making changes to improve security by hiring more security experts. -
March, 2018
Facebook is sued by shareholders following stock plummet. -
April, 2018
Zuckerberg testifies before Congress regarding concerns over data and privacy breaches.