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Richard Matthew Stallman is born in New York City, New York, United States.
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Enrolls at Harvard University
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Joins MIT AI Lab
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Stallman founds the GNU Project
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Stallman launches the Free Software Foundation (FSF)
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Stallman announces the GNU Manifesto, outlining his vision for the GNU Project and the free software movement.
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Richard Stallman coins the term "copyleft" to describe the concept of using copyright law to ensure that software remains free and open-source.
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Stallman publishes the GNU General Public License (GPL)
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Richard Stallman co-founded the League for Programming Freedom
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Stallman begins developing the GNU Emacs text editor
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Stallman receives the Takeda Techno-Entrepreneurship Award for Social/Economic Well-Being
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Stallman receives the ACM Grace Hopper Award for his work in the development of the GNU operating system and his advocacy for free software
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Stallman was awarded the Turing Award
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Stallman resigns from his positions at the Free Software Foundation and MIT
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Stallman announces his return to the Free Software Foundation's board of directors
