History
The plateau and wetlands were long home to many Indigenous peoples: the Bororo and Xavante in Mato Grosso, the Southern Kayapó in Goiás, and in the south the horse-riding Guaicuru, the Terena and the Guarani. The Portuguese arrived through the bandeiras, slaving and prospecting expeditions from São Paulo. Gold found near Cuiabá around 1718 and in Goiás in the 1720s created mining towns such as Vila Boa, now Goiás Velho, and Pirenópolis, worked largely by enslaved Africans.
When the gold ran out, the region became a thinly settled cattle frontier. Paraguay invaded southern Mato Grosso in 1864 at the start of the Paraguayan War, and fighting there left bitter memories on both sides. In the early 20th century the Mato Grosso-born army officer Cândido Rondon strung telegraph lines across the west and became the first director of the Indian Protection Service, created in 1910 under pressure from him. Under Getúlio Vargas's "March to the West", Goiás built a new planned capital, Goiânia, in the 1930s.
The great change came with Brasília. President Juscelino Kubitschek carried out a long-standing constitutional plan to move the capital inland, and the city, laid out by Lúcio Costa with buildings by Oscar Niemeyer, was inaugurated in 1960. The Xingu Indigenous Park was created in Mato Grosso the following year. Mato Grosso do Sul was split off from Mato Grosso in 1977. From the 1970s, research that made the acidic cerrado soils fertile opened the region to soya, maize and cotton on a vast scale. In 1987 a radioactive caesium source scavenged from an abandoned clinic in Goiânia caused one of the world's worst radiation accidents, and on 8 January 2023 rioters stormed the Congress, Supreme Court and presidential palace in Brasília.
