"We want to develop a free and complete set of user friendly applications and desktop tools, similar to CDE and KDE but based entirely on free software." Those were the opening lines of Miguel De Icaza's email announcing the GNU Network Object Model Environment, better known as GNOME, exactly (in my timezone) ten years ago, on 15th August 1997.
http://www.osnews.com/story.php/18460/GNOME-Turns-Ten