From 1973 organized as a sub-district named in so-called "homage" to former Brazilian military president Emílio Garrastazu Médici, who had been appointed as president by the military junta, the region was elevated to full municipal status in 1981.
From 1973 organized as a sub-district named after former Brazilian military president Emílio Garrastazu Médici, and later elevated to full municipal status in 1981.