The Peninsular War immeasurably raised Britain's military prestige and contributed heavily to Napoleon's downfall. The "guerrilla" warfare carried out by irregular Spanish forces added a new term to the military vocabulary and served as a model for future insurgencies. In Latin America the war served as detonator for the independence revolutions of the Spanish colonies.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.