Don’t know about if there have been any wars if so, not the same as the one in Quebec, there was the Bandido Massacre, with the No Surrender Crew.

Prior to the HA patching of the province, Satan’s Choice was the number one club, but some members became Outlaws and then some of the same members became HA, maybe why the Outlaws and HA in Ontario are friendlier with each other than their club history would suggest

Also at one time the National President of Outlaws Mario Parente and National Presents of HA Walter Stadnik we’re both from Hamilton, and look at that city lately