During the Peninsular War, Childers was present at the battles of El Bodón (September 1811), Morales (June 1813), the Combat of Castrejón (July 1812), the Battle of Salamanca (July 1812), the Battle of Venta del Pozo (October 1812) and the battles of Vitoria (June 1813, Tolosa (June 1813) and Bayonne.