A coal mine explosion in Spangler, Pa. kills 79. The mine had been rated gaseous in 1918, but at the insistence of new operators it was rated as non-gaseous even though miners had been burned by gas on at least four occasions - 1922

Martial law rescinded in Mingo County, W. Va. after police, U.S. troops and hired goons finally quell coal miners' strike - 1922

One million railway shopmen strike - 1922