This is vim's 20th birthday. Bill Joy's vi screen editor was written (based on ex) c. 1978 I believe. GNU emacs was begun in 1984, though of course "EMACS" has a much longer history going back to TECO on the PDP-10 in the early 70's.
I was actually wondering about that, something felt wrong about vi only being 20, but not enough to actually look it up. And yeah, I was using the '73-'74 TECO macros date for emacs.
