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First software partnership with Paul Allen Paul Gilbert for the Traf-O-Data, which studied traffic patterns -
Gates and Allen found Micro-Soft and write the BASIC programming language for the Altair 8800 -
Gates writes the "Open Letter to Hobbyists" to attempt protection of intellectual property Microsoft -
Microsoft officially becomes a partnership with Gates and Allen, Gates owning 64% of the company
Microsoft -
Microsoft wins arbitration hearing against the maker of the Altair 8800 -
The first version of MS-DOS is created as the operating system for new IBM PC -
Microsoft signs agreement with IBM to write new operating system, and the first version of Microsoft Windows is released -
Gates founds Corbis, media licensing company -
The big release of Windows 3.0 which is an instant success -
Windows 95 is released -
Gates releases first edition of co-authored best seller, The Road Ahead -
Gates writes second co-authored best seller, Business @ the Speed of Thought -
Gates is elected to Board of Directors at Berkshire-Hathaway -
Philanthropic group, The Giving Pledge, is created by Bill Gates and Warren Buffett -
Gates resigns as Chairman of the Board at Microsoft to spend more time acting as a mentor to new CEO as a technology advisor