Various Imperial and colonial actions against Haida Gwaii Authorities have been undertaken since the 19th century. The indigenous peoples of Haida Gwaii often reacted violently to European and American ships which trespassed in their waters and lands. From the 18th to 19th centuries, various skirmishes took place between Haida authorities and European and American merchantmen and warships. Canadian settlers did not arrive on Haida Gwaii islands until 1900, and many Canadian colonial police actions attempted to assault the Haida Gwaii authorities and citizens. The indigenous Haida population was decimated by diseases such as smallpox which were introduced by agents of the British authorities based in Fort Victoria. A hostile Colonial presence directed and condoned aggression which along wit