During the Battle of Bidassoa (or the Battle of Larrun), General of Division Jean-Baptiste Drouet, Comte d'Erlon led the left flank, which was made up of the 1st, 2nd, 3rd, and 6th Divisions.
In the Battle of the Bidasoa (or the Battle of Larrun) on 7 October 1813 the Allied army of Arthur Wellesley, Marquess of Wellington wrested a foothold on French soil from Nicolas Soult's French army. Left
General of Division Jean-Baptiste Drouet, Comte d'Erlon 1st Division: General of Division Maximilien Sebastien Foy 2nd Division: General of Division Jean Barthelemy Darmagnac 3rd Division: General of Division Louis Jean Nicolas Abbe 6th Division: General of Division Augustin Darricau Soult's Army defending the Bidassoa River in October 1813 Fearing an allied thrust over the Maya Pass and down the Nivelle River to the sea, Soult gave General of Division Jean-Baptiste Drouet, Comte d'Erlon 19,200 men to hold his left flank. 
