▁their ▁brig ad iers . ▁ ▁War ▁of ▁movement ▁ 1 9 1 8 ▁saw ▁the ▁return ▁of ▁the ▁war ▁of ▁movement ▁and ▁the ▁division ▁took ▁part ▁in ▁the ▁First ▁Battle ▁of ▁the ▁Som me ▁not ably ▁the ▁Battle ▁of ▁St ▁Qu entin ▁( 2 1 – 2 3 ▁March ), ▁the ▁Battle ▁of ▁the ▁L ys ▁( B attle ▁of ▁Haz eb rou ck ▁of ▁ 1 4 – 1 5 ▁April ), ▁the ▁Battle ▁of ▁Am iens ▁( 8 – 1 1 ▁August ) ▁and ▁the ▁Second ▁Battle ▁of ▁the ▁Som me ▁( B attle ▁of ▁Albert ▁of ▁ 2 1 – 2 3 ▁August ▁and ▁the ▁Second ▁Battle ▁of ▁B apa ume ▁of ▁ 3 1 ▁August – 3 ▁September ). ▁ ▁The ▁division ▁was ▁then ▁split ▁up ▁with ▁the ▁ 3 rd ▁Caval ry ▁Brigade ▁serving ▁with ▁First ▁Army , ▁ 4 th ▁Caval ry ▁Brigade ▁with ▁Third ▁Army ▁and ▁ 5 th ▁Caval ry ▁Brigade ▁with ▁Four th ▁Army . ▁ ▁The ▁brig ades ▁various ly ▁took ▁part ▁in ▁the ▁batt les ▁of ▁the ▁H inden burg ▁Line : ▁the ▁batt les ▁of ▁Canal ▁du ▁Nord ▁( 2 7 ▁September – 1 ▁October ), ▁St . ▁Qu entin ▁Canal ▁( 2 9 ▁September – 2 ▁October ), ▁Be a ure voir ▁Line ▁( 3 – 5 ▁October ) ▁and ▁Camb rai ▁( 8 – 9 ▁October ) ▁and ▁the ▁P urs uit ▁to ▁the ▁S elle ▁( 9 – 1 2 ▁October ). ▁ ▁Its ▁final ▁action ▁was