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Exclusive private school in Seattle, where he befriended Paul Allen.
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Entered Harvard as a pre-law major, but soon shifted focus. Takes most rigorous math and grad level computer science courses.
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Offers to develop software for the MITS Altair. MITS accepts and buys his language for $3,000 plus royalties
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Gates and Allen register trademark 'Microsoft'.
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Microsoft's year-end sale exceeded $1 millon. Gates gains a reputation for being tough, but focused
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Microsoft incorporates and buys the right to the opening system "DOS" from Seattle Computer Porducts.
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Paul Allen leaves Microsoft after developing Hodgkin's disease. Microsoft announces Windows as an extension of its MS-DOS operating system.
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Age 31, Gates becomes the youngest billionaire ever and meets his future wife Melinda French at a Microsoft event in New York
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Founds Corbis, an archive of art and photography from public and private collections
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Gates weds Melinda, later to have three children. The Gates consolidate their charitable giving under the Willima H. Gates Foundation, later absorbed into the Bill and Melinda Gates Foundation.
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With a $12.9 billion fortune, Gates is the world's richest man
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Gates publishes another best-selling book, 'Business @ the Speed of Light'
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Gates steps down as Microsoft CEO. Former Harvard dorm-mate and right-hand man Steve Ballmer takes over. Gates becomes chief software architect.
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Queen Elizabeth II bestows honorary knighthood to Gates for contributions to United Kingdom. 'Times' names in "Person of the Year".
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Gates graduates from Harvard, given an honorary degree