This is the genealogy of the programming language Forth:

Forth was first known as Forth in year 1970.
Then it begat JaM in year 1978.
It became Forth 79 in year 1979.
It became Forth 83 in year 1983.
Then it begat Neon in year 1984.
It became OO Forth in year 1987, and has not changed much since that time.

This genealogy is brought to you by the Programming Languages Genealogy Project. Please send comments to thbz.