The first recorded contact by the Europeans with the local First Nations people occurred at the ancient village of Tsa-Kwa-Luten, "the gathering place," on Quadra Island, by Captain George Vancouver in 1792. Read here for more information on the First Nations history in Campbell River and area.
This website provides some general background Information on the 
History of First Nations People in British Columbia.
Another good source of information is the 
Campbell River Museum