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Born in White Plains, New York, the only son of a dentist and psychiatrist
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Launches Facemash - a web programmer enabling Harvard students to compare images of same-gender students and rate the more attractive - and nearly gets kicked out when its immediate popularity draws the attention of the university administrators.
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Graduates from Phillips Exeter Academy, a private school in New Hampshire; joins Harvard University in autumn on a psychology and computer science course.
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Starts Thefacebook.com in February.
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Facebook hits 200,000 users; contacts venture capitalists in Silicon Valley, and receives an initial investment of half a million dollars - some of which is used to splash out on a small office above a Chinese restaurant
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Drops out of Harvard at the end of his sophomore year; moves to Palo Alto that summer, where he rents a house with a now-famous swimming pool
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Facebook hits 5 million users.
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At 22 years of age, Zuckerberg turns down an estimated $1 billion dollar offer for Facebook from Yahoo.
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Opens Facebook beyond universities so anyone with an email address can join; turns down a $15 billion offer from Microsoft, which would have bagged him personally $4 billion.
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Hollywood movie The Social Network is released documenting Zuckerberg's time at Harvard and the early days of Facebook.
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Named Time magazine’s person of the year
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Facebook records half a billion users on Facebook in a single day, and is expected to report $4 billion dollars revenue, double that of the previous year.
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Facebook projected to reach 1 billion users; a much-mooted stock market flotation would be expected to earn as much as $100 billion.
