The Ersalrope Wars were a series of conflicts that occurred prior to 2364.
The people of Minos gained fame as arms dealers during the Ersalrope Wars, manufacturing highly advanced weaponry for both sides of the conflict. (TNG: "The Arsenal of Freedom")
The Star Trek Encyclopedia, (3rd ed., p. 141) refers to this war as the "Erselrope wars". The spelling used here comes from the script .