The Cisplatina Province (literally, Province of this side of the Rio de la Plata from the Brazilian perspective) was a Brazilian province in existence from 1815 to 1828. The province was formed after the Portuguese captured and subsequently annexed the territory of the Banda Oriental, which today forms the independent nation of Uruguay. The Banda Oriental had always been a sparsely populated contested border-area between the Spanish and Portuguese Colonial Empires. In the First Treaty of San Il… (More on Cisplatina)