The German Army launched its attack in the West on 10 May 1940 and the 5th Division saw action in the battles of Belgium and France in May–June 1940 including the Battle of Arras, supported by the 1st Army Tank Brigade, on 21 May 1940 and at the Battle of the Ypres-Comines Canal from 26 to 28 May 1940, and then was withdrawn to Dunkirk, along with the rest of the BEF, where they were evacuated to England, with most of the division arriving on 1 June.