 They then pursued the French Army into France fighting at the Battle of the Pyrenees in July and August 1813, the Battle of Nivelle on 10 November 1813 and the Battle of the Nive in December 1813 as well as the Battle of Orthez in February 1814 and the Battle of Toulouse in April 1814.The 1st Battalion arrived back in Ireland in July 1814.On 24 October 1814 the 2nd Battalion was disbanded, with men fit for duty transferred to the 1st Battalion which became once more simply the 36th (Herefordshire) Regiment of Foot.