From May to August 1907, the city was the site of a smelter workers' strike organized by Local 545 of the Industrial Workers of the World (IWW), with the goal of a fifty-cent per day pay raise. The strike was strongly opposed by the local business community, and the smelter owners threatened to blacklist organizers and union officials. The IWW opposed this move by trying to persuade inbound workers to avoid Tacoma during the strike. By August, the strike had ended without meeting its demands.