History

1983 Richard M. Stallman: announces GNU Project
"GNU's Not Unix"
Vision: Free Software system like Unix

1985 Richard M. Stallman: Initiates Free Software Foundation
Licenses: GNU GPL, GNU LGPL
Developing a definition of Free Software
Maintaining the GNU Project

1991 Linus Torvalds: Linux (the famous kernel)
=> GNU/Linux-System

2001 Free Software Foundation Europe (FSFE)