On October 13, 1913, Rio Branco Sport Club was founded by Anibal José de Lima, Raul da Costa Pinto, Euclides de Oliveira, Manoel Victor da Costa, Antônio Gomes de Miranda, José de Oliveira, Antônio Ferrer da Rosa and Jarbas Nery Chichorro.[1]
In 1915, Rio Branco disputed the first Campeonato Paranaense. The club finished in the last position of all the six participating teams.[2]
In 1956, Rio Branco professionalized its football section, and disputed the Campeonato Paranaense Divisão Especial (which was the second division).[1] Its first professional match was played against Água Verde. Rio Branco won 3–2.[3]
In 2000, the club disputed the Copa João Havelange. The club was in the White module, which was the equivalent of a third level. Rio Branco was eliminated in the second stage.[5]
In 2005, the club was administered by four entrepreneurs, Mário Roque, José Carlos Possas, José Manuel Chaves and Marquinhos Roque.[1]
Rio Branco's home stadium is Estádio da Estradinha (its official name is Estádio Nelson Medrado Dias),[1] inaugurated in 1927, with a maximum capacity of 8,000 people.[6]
Rio Branco is nicknamed Leão da Estradinha, meaning Lion of the Little Road.[7] This nickname is due to the club's brave playstyle.[8] Estradinha is the name of the club's neighborhood.[3]
