 Complete the following phrase:  In 1917 the Irish Guards took part in the Battle of Pilckem which began on 31 July during the Third Battle of Ypres. The Irish Guards also took part in the Battle of Cambrai that year. In 1918 the regiment fought in a number of engagements during the Second Battle of the Somme, including at Arras and Albert. The regiment then went on to take part in a number of battles during the British offensives against the Hindenburg Line. On 11 November 1918 the 