República dos Pampas (Republic of the Pampas) origins come from the War of the Farrapos, which lasted from 1835 to 1845. During that period, the Riograndense Republic, often called Piratini Republic (Portuguese: or ), was a de facto state that existed between and geographically coinciding with the present state of Rio Grande do Sul, in Brazil. Although never recognised as a self-governing state, it voted itself a Constitution in 1843. Rio Grande do Sul has always been one of the most "politicized" states in Brazil, being home to Getúlio Vargas, who ruled Brazil for two periods.