▁ 3 rd ▁caval ry ▁brig ade ▁( so ▁ 6 ▁caval ry ▁reg iments ) ▁the ▁Gu ards ▁Corps ▁had ▁ 1 1 ▁inf antry ▁reg iments ▁( in ▁ 5 ▁brig ades ) ▁and ▁ 8 ▁caval ry ▁reg iments ▁( in ▁ 4 ▁brig ades ). ▁Each ▁Corps ▁also ▁directly ▁controlled ▁a ▁number ▁of ▁other ▁units . ▁This ▁could ▁include ▁one ▁or ▁more ▁ ▁Foot ▁Art illery ▁Regiment ▁J äger ▁Battalion ▁P ione er ▁Battalion ▁Train ▁Battalion ▁ ▁Com bat ▁chron icle ▁ ▁On ▁mobil isation , ▁IV ▁Corps ▁was ▁assigned ▁to ▁the ▁ 1 st ▁Army ▁on ▁the ▁right ▁wing ▁of ▁the ▁forces ▁for ▁the ▁Sch lie ffen ▁Plan ▁off ensive ▁in ▁August ▁ 1 9 1 4 ▁on ▁the ▁Western ▁Front . ▁ ▁It ▁participated ▁in ▁the ▁Battle ▁of ▁M ons ▁and ▁the ▁First ▁Battle ▁of ▁the ▁Mar ne ▁which ▁marked ▁the ▁end ▁of ▁the ▁German ▁adv ances ▁in ▁ 1 9 1 4 . ▁ ▁Later , ▁it ▁participated ▁in ▁the ▁Battle ▁of ▁the ▁Som me , ▁particularly ▁the ▁Battle ▁of ▁Del ville ▁Wood ▁and ▁the ▁Battle ▁of ▁Poz ières . ▁ ▁It ▁was ▁still ▁in ▁existence ▁at ▁the ▁end ▁of ▁the ▁war ▁in ▁the ▁ 6 th ▁Army , ▁He eres gruppe ▁K ron pr in z ▁Ru pp recht ▁on ▁the ▁Western ▁Front . ▁▁ 4 9 th ▁Land wehr ▁Brigade ▁ ▁During ▁the ▁war , ▁the ▁ 4 9 th ▁Land wehr ▁Brigade ▁joined ▁the ▁corps ; ▁it ▁had ▁originally ▁been ▁part ▁of ▁