The History of Microsoft - 1975
- Posted: Feb 04, 2009 at 11:13PM
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January 1, 1975
February 1, 1975
Bill Gates and Paul Allen complete Altair BASIC and sell it to Microsoft’s first customer, MITS of Albuquerque, New Mexico. This is the first computer language program for a personal computer.
March 1, 1975
Paul Allen joins MITS as director of software.
April 7, 1975
“Altair BASIC – Up and Running,” declares the headline of the first edition of MITS Computer Notes.
July 1, 1975
Bill Gates' and Paul Allen's BASIC officially ships as version 2.0 in both 4K and 8K editions.
July 22, 1975
July 29, 1975
In a letter to Paul Allen, Bill Gates uses the name "Micro-soft" to refer to their partnership. This is the earliest known written reference.
December 31, 1975
The 1975 year-end sales total equals 16,005 dollars, as detailed on Form 1065 U.S. Partnership Return of Income.