Political map of South American nations 09 February 1894 (Brazilian Naval Rebellion): The overthrow of the Empire of Brazil in 1889 (Proclamation of the Republic (Brazil)) led to instability as the newly declared republic (First Brazilian Republic) tried to find its feet in the face of resistance from anti-centralist groups. In 1893 the navy revolted (Revolta da Armada) while rebellion erupted in the south (Federalist Riograndense Revolution). The Brazilian government defeated both movements but would continue to face unrest for many decades even as the country consolidated its hold over the interior.