List of Russian armies in World War I This page is a list of Russian army formations existing during World War I. * 1st Army * 2nd Army * 3rd Army * 4th Army * 5th Army * 6th Army * 7th Army * 8th Army * 9th Army * 10th Army * 11th Army * 12th Army * 13th Army * Caucasus Army * Dobruja Army * Danube Army * Special Army