In 1886, after the railroad society’s decision to stop hiring Polish immigrant workers - considered as too much demanding - the Milwaukee Daily Sentinel newspaper triggered a violent anti-Polish campaign in that city, the population of which is mostly composed of German immigrants. The “polacks”, who had started to arrive in 1870, traditionally performed the hardest and less paid works but they began to go up in the social scale, basically in trades such as carpentry and plumbing due to the poor pay they got. They even were bold enough to claim for an 8-hour work day and being the majority within the trade union forces. That was too much for the Milwaukee German population, which then organized a series of programs and looted the “Polish plumbers” establishments...