This video explores the military conflicts involving the Brazilian Empire, addressing the question of whether the Empire ever lost a war. The narrator defines what constitutes a "war" versus a "revolt" and then details various conflicts, including the War of Independence, the Confederation of the Equator, the Cisplatine War, various regency revolts (Cabanagem, Balaiada, Sabinada, Farrapos), the Platine War, the Aguirre War, the Paraguayan War, and the Proclamation of the Republic. The video aims to provide a historical analysis of these events and their outcomes for the Brazilian Empire.