When did Facebook Start? The History of Facebook

Facebook has become one of the world’s largest and most influential technology companies. Originally started as a simple social networking website for college students, Facebook has grown into a tech giant with over 2 billion monthly active users worldwide.

But how did Facebook go from a small startup to a ubiquitous platform that has changed how people communicate and interact online?

This in-depth blog post will explore the origins and growth of Facebook over the years. We’ll look at key milestones from Facebook’s launch at Harvard University by Mark Zuckerberg to how it eventually expanded beyond just being a social network for college students.

The Early Days: Facemash and TheFacebook (2003-2005)

The beginnings of Facebook can be traced back to 2003, when Mark Zuckerberg was a sophomore at Harvard University. While at Harvard, Zuckerberg created a website called Facemash that allowed students to rate the attractiveness of their classmates. This caused controversy but also gave Zuckerberg the idea that led to Facebook.

In early 2004, Zuckerberg began writing the code for a new website along with fellow Harvard students Eduardo Saverin, Dustin Moskovitz, Andrew McCollum, and Chris Hughes. This new site was called Facebook and was launched on February 4, 2004, as a social networking site exclusively for Harvard students.

Facebook proved extremely popular among Harvard students. Within the first month, over half of all undergraduate students at Harvard had registered on Facebook. Some key milestones in the early days included:

  • March 2004: Facebook grows to over 30,000 registered users
  • April 2004: Facebook expands beyond Harvard to other Boston area colleges like Boston University and MIT
  • December 2004: Registration opens to all college students, and Facebook reaches 1 million users

By focusing first on Harvard and other Ivy League schools, Facebook established itself as an essential platform for college students before expanding to other universities.

Growth and Funding (2005-2007)

In 2005, Facebook started to pick up significant funding and continued expanding. Some notable events:

  • April 2005: Accel Partners invests $12.7 million in Thefacebook.
  • August 2005: The company officially changed its name to Facebook.
  • September 2005: Facebook opens registration to high school networks.
  • October 2005: Facebook expands to universities in the UK, Australia, New Zealand and elsewhere.
  • September 2006: Facebook opens registration to anyone aged 13+ with a valid email address.

Opening up beyond just college students was a major inflection point that allowed Facebook to become the global social media and social networking platform it is today.

Other notable product launches during this period of growth include:

  • September 2006: Introduction of the News Feed.
  • February 2007: Launch of Facebook Pages for businesses.
  • July 2007: Launch of Facebook Developer Platform for third-party apps.

By the end of 2007, Facebook had over 50 million active users. It was still growing rapidly and starting to attract interest from larger technology companies interested in acquiring Facebook.

Facebook Becomes a Tech Giant (2007-2012)

In 2006, Yahoo had offered to acquire Facebook for $1 billion, but Mark Zuckerberg refused to sell. This proved to be a smart move, as Facebook experienced massive growth in users and revenue over the next few years.

Some major milestones from this era:

  • October 2007: Facebook launches the Facebook Platform and the Facebook API.
  • February 2009: Facebook introduces the Like button, becoming one of its most iconic features.
  • December 2009: Facebook surpasses MySpace to become the most popular social networking site.
  • May 2012: Facebook completes its initial public offering (IPO) at a valuation of 104 billion dollars.

Other notable developments included:

  • Expanding to mobile with the launch of Facebook apps for iPhone, Android, and other smartphones.
  • Launching the Facebook Open Graph to integrate third-party websites and apps.
  • Reaching key user milestones like 500 million users in 2010 and 1 billion users in 2012.

During this era, Facebook successfully transitioned from a website for college students into a global online platform connecting billions of users.

Recent Years: Diversification and Controversies (2012-Present)

Since its 2012 IPO, Facebook has aimed to diversify beyond just social networking and become a major player in other areas of Internet technology. Some key moves by Facebook in recent years:

  • April 2012: Facebook acquires Instagram for $1 billion.
  • March 2014: Facebook acquires Oculus VR for $2 billion to expand into virtual reality technology.
  • February 2014: Facebook acquired WhatsApp for $19 billion, expanding its reach in mobile messaging.

Facebook has also rolled out major new features aimed at keeping users engaged:

  • 2013: Launch of Graph Search.
  • 2016: Introduction of Facebook Reactions.
  • 2017: Launch of Facebook Stories.
  • 2019: Unveiling of Facebook Dating.

However, this period of growth for Facebook has also been marked by a number of data privacy scandals and controversies:

  • March 2018: The Cambridge Analytica scandal breaks, raising concerns over how Facebook data is used
  • 2021: Facebook whistleblower Frances Haugen releases internal documents that spark criticism over harms caused by Facebook and Instagram
  • 2022: Facebook faces antitrust lawsuits from U.S. regulators and scrutiny from lawmakers over its market power

Despite the controversies, Facebook remains an enormously successful and influential company. It had 2.8 billion monthly active users as of Q4 2021. While growth in North America and Europe has stalled, Facebook continues expanding its user base in Asia, Africa, and other emerging markets.


Facebook’s rise from a dorm-room project started by Mark Zuckerberg at Harvard to a tech giant with billions of users worldwide is a story of incredible growth and innovation. Along the way, Facebook has had to adapt as social media and the Internet evolved while battling criticism over its tremendous market power.

It’s hard to overstate the impact Facebook has had on communication, culture, and society as a whole. For better or worse, Facebook will likely remain one of the most important companies shaping the future of technology and the Internet for years to come. As part of the new parent company Meta, its next chapter will determine whether Facebook can maintain its dominance in social media and expand into new areas like the metaverse.

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