A coup in Iraq took place in 1941. An Iraqi military group with ties to Germany deposed the Iraqi Monarchy. As a consequence the British launched an invasion of Iraq to restore the Government, the 2nd Battalion participated as part of the 10th Indian Infantry Division. An Armistice was signed with Iraq after British forces entered the Iraqi capital Baghdad on 31 May and the Iraqi Monarchy was restored, the coup leader Rashid Ali had fled, first to Iran and then to Germany. The battalion later took part in the invasion of Vichy France-controlled Syria later in the year. The battalion took part in the Battle of Deir ez Zor for which the regiment received another battle honour.