In eight years Facebook become a $114 billion business.
Below is a timeline from the starting and how is the company right now:
February 4, 2004: Facebook was founded by Mark Zuckerberg (and few others).
June 2004: It gets a first big investor. Peter Thiel invested $500.000 in Facebook.
March 2005: Facebook received and refused an offer from Viacom to sell the site for 75$ millions.
March 2006: Offer from Yahoo! to buy Facebook for $1 billion. Again rejected!
October 24, 2007: Microsoft buys 1.4%, valuing at $15 billion the company.
August 26, 2008: Facebook had 100 million users.
January 2009: Facebook become the largest social network.
June 2011: Facebook released the “Like” button.
September 2011: They introduced the Facebook Timeline, a new feature.
April 24, 2012: Facebook had 900 million active users.
May 28, 2012, 11:30 A.M. EST: NASDAQ: FB: they are on the stock market with the Facebook IPO priced at $42.
The full history from the official Facebook’s Timeline here.