2004
- February
Mark Zuckerberg and co-founders Dustin Moskovitz, Chris Hughes and Eduardo Saverin launch Facebook from their Harvard dorm room
- March
Facebook expands from Harvard to Stanford, Columbia and Yale
- June
Facebook moves its base of operations to Palo Alto, Calif.
- September
Groups application is added; the Wall is added as a Profile feature
- December
Facebook reaches nearly 1 million active users
2005
- May
Facebook raises $12.7 million in venture capital from Accel Partners;
Facebook grows to support more than 800 college networks
Facebook grows to support more than 800 college networks
- August
The company officially changes its name to Facebook from thefacebook.com
- September
Facebook expands to add high school networks
- October
Photos is added as an application
Facebook begins to add international school networks
Facebook begins to add international school networks
- December
Facebook reaches more than 5.5 million active users
2006
- April
Facebook raises $27.5 million from Greylock Partners, Meritech Capital Partners and others
Facebook Mobile feature launches
Facebook Mobile feature launches
- May
Facebook expands to add work networks
- August
Facebook development platform launches
Notes application is introduced
Facebook and Microsoft form strategic relationship for banner ad syndication
Notes application is introduced
Facebook and Microsoft form strategic relationship for banner ad syndication
- September
News Feed and Mini-Feed are introduced with additional privacy controls
Facebook expands registration so anyone can join
Facebook expands registration so anyone can join
- November
Share feature added on Facebook, simultaneously launched on over 20 partner sites
- December
Facebook reaches more than 12 million active users
2007
- February
Virtual gift shop launches as a feature
- March
Facebook reaches over 2 million active Canadian users and 1 million active UK users
- April
Facebook reaches 20 million active users
Facebook updates site design and adds network portals
Facebook updates site design and adds network portals
- May
Facebook launches Marketplace application for classified listings
Facebook hosts F8 event to launch Facebook Platform
Facebook Platform launches with 65 developer partners and over 85 applications
Facebook hosts F8 event to launch Facebook Platform
Facebook Platform launches with 65 developer partners and over 85 applications
- July
Facebook acquires startup Parakey
- October
Facebook reaches over 50 million active users
Facebook launches Facebook Platform for Mobile
Facebook and Microsoft expand advertising deal to cover international markets; Microsoft takes a $240 million equity stake in Facebook
Facebook launches Facebook Platform for Mobile
Facebook and Microsoft expand advertising deal to cover international markets; Microsoft takes a $240 million equity stake in Facebook
- November
Facebook launches Facebook Ads
2008
- January
Facebook co-sponsors Presidential Debates with ABC News
- February
Facebook launches in Spanish and French
- March
Facebook updates privacy controls to include Friend List privacy
Facebook launches in German
Facebook launches in German
- April
Facebook launches Facebook Chat
Facebook releases Translation application to 21 additional languages
Facebook releases Translation application to 21 additional languages
- August
Facebook reaches over 100 million active users
- December
Facebook Connect becomes generally available
2009
- January
Facebook reaches over 150 million active users
CNN Live/Facebook integration
CNN Live/Facebook integration
- February
Facebook reaches over 175 million active users
Facebook joins OpenID board
“Like” feature added
Facebook joins OpenID board
“Like” feature added
- April
Facebook reaches over 200 million active users
- May
Digital Sky Technologies makes a $200 million investment for preferred stock at a $10 billion valuation
- June
Facebook launches Facebook Usernames
- July
Facebook reaches over 250 million active users
- August
Facebook acquires FriendFeed
- September
Facebook reaches over 300 million active users
- December
Facebook reaches over 350 million active users
2010
- February
Facebook reaches over 400 million active users
- July
Facebook reaches over 500 million active users
- July
Facebook launches beta of Questions
- August
Facebook launches Places