The Battle of Vitoria took place on June 21, 1813, during the Peninsular War. It was fought between the forces of the Duke of Wellington, leading the Allied army of British, Spanish, and Portuguese troops, and the French army commanded by King Joseph Bonaparte. The battle marked a significant turning point in the war, as the Allies aimed to drive the French out of the Iberian Peninsula. The Allies achieved a decisive victory, inflicting heavy casualties on the French and capturing vital supplies and artillery. This defeat led to the retreat of French forces from Spain, ultimately contributing to the end of French control in the region. The battle is remembered for its strategic importance and the effective coordination of the Allied forces.