| 1975 |
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Microsoft founded. |
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| 1977 |
Steve Ballmer graduates from Harvard. |
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| 1979 |
Jan. 1: Microsoft moves from Albuquerque, N.M., to Bellevue. |
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| 1980 |
Bill Gates hires Ballmer as Microsoft's first business manager. |
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| 1984 |
Ballmer becomes head of new Systems Software group. |
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| 1986 |
March 13: Microsoft stock goes public. |
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| 1990 |
July 15: Microsoft exceeds $1 billion in annual sales. |
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| 1992 |
Ballmer takes over worldwide sales and support. |
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| 1997 |
November: Regarding the Justice Department's filing of the antitrust case, Ballmer bellows: "To heck with Janet Reno." |
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| 1998 |
July: Gates appoints Ballmer president of Microsoft. |
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| 2000 |
Jan. 13: Gates becomes chairman and chief software architect. Ballmer adds CEO title, taking over management of the company.
June 22: Gates and Ballmer outline .NET strategy for Web services. |
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| 2001 |
Feb. 14: Ballmer names Rick Belluzzo president but takes back the responsibilities after Belluzzo resigns in April 2002. |
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| 2002 |
Feb. 8: In antitrust deposition, a well-mannered Ballmer defends company, criticizes additional remedies proposed by states.
June 6: Ballmer outlines new corporate values and mission statement emphasizing integrity. |