During the major engagements of the Division, the composition of the latter consisted of, half of Maghrebi soldiers (Algerian and Tunisian Tirailleurs, Moroccans) and the other half made of "European" soldiers (Marsouins ex-Infantry Colonial Troops, Zouaves and Legionnaires), the Moroccan Division illustrated capability in the First Battle of the Marne in September and the Second Battle of Artois of May 1915 where for the first time, a French division pierced the front.