union timeline By 16wintersc Apr 19, 1866 labor movement Apr 19, 1870 15th amendment adopted Apr 19, 1882 first labor day parade Apr 19, 1886 afl founded Apr 19, 1894 railrodd strike Apr 19, 1898 erdman act Apr 19, 1902 anthracite strike Apr 19, 1912 red and roses strike Apr 19, 1926 railrroad labor act Apr 19, 1931 davis bacon act Apr 19, 1932 norris laguardia act