Core War
Core War is a video game.
In detail
The recorded date of publication is 1984.
It is associated with Canada. The record gives 1984 as its date of establishment or first appearance. Recorded genres are programming game.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Core War”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1132500: Core War
Consult the source