Vim: History
https://www.moolenaar.net/vimstory.pdf
https://buildingvts.com/a-brief-history-of-vim-1476ec4a6eb8#694e
https://jovicailic.org/2014/06/the-history-of-vim/
1964: qed
1971: ed
1976: ex
Bram Moolenaar bought Amiga computer. Wanted editor like h eused on Unix. Started with best available, Stevie, and started improving it. Goal was to imitate Vi. Then started improving it.
1988: Vi IMitation on the Amiga. later renamed to Vi IMproved when new fucntionality was added.
1991: vim first public release. v1.14 on Npv 2, 1991.