Napoleonic Wars War of 1808–1814, assisted by Spanish guerrilla ('little war') tactics. Anglo-Portuguese forces under Arthur Wellesley supported the Spanish, which campaigned successfully against the French armies, eventually driving them from Spain and allowing Britain to invade southern France. By 1815, the British Army played the central role in the final defeat of Napoleon at Waterloo. Beyond minor naval actions against British imperial interests, the Napoleonic Wars were much less global in scope than preceding conflicts such as the Seven Years' War, which historians term a "world war". In response to the naval blockade of the French coasts enacted by the British
Imperial and Royal Army during the Napoleonic Wars not part of the Holy Roman Empire, but under Habsburg rule. The key feature of the army of the Austrian Empire during the Revolutionary and Napoleonic Wars (1792-1815) was that, due to the multi-national nature of the territories, regiments were split into "German" units (which included Czech-troops recruited from Bohemia, Moravia and Silesia, Polish and Ukrainian units recruited from the territory of Galicia, Flemings and Walloons territory of the former Austrian Netherlands, and Italians) and "Hungarian" units (which included troops from Croatia and Transylvania). Conscription resulted in elements of untrained men in every battalion, a problem exacerbated by incoherent training