Pres. Woodrow Wilson signs the Clayton Antitrust Act – often referred to as "Labor’s Magna Carta" – establishing that unions are not "conspiracies" under the law. It for the first time freed unions to strike, picket and boycott employers. In the years that followed, however, numerous state measures and negative court interpretations weakened the law - 1914

Charles Moyer, president of the Western Federation of Miners, goes to Butte, Mont. in an attempt to mediate a conflict between factions of the miner’s local there. It didn’t go well. Gunfight in the union hall killed one man; Moyer and other union officers left the building, which was then leveled in a dynamite blast - 1914

Coal mine collapses at Eccles, W.Va., killing 181 workers - 1914