rebranded as Federação Metropolitana de Futebol (FMF) (Metropolitan Football Federation). The occasion was celebrated by a friendly match between Vasco da Gama and America that would come to be nicknamed Clássico da Paz (Peace Derby) for any game played between the two teams. Federação Carioca de Futebol (FCF) On April 21, 1960, the Brazilian capital city became Brasília, so, Federação Metropolitana de Futebol rebranded as Federação Carioca de Futebol (FCF) (Carioca Football Federation). América won the state championship of that year. After 1975 On March 15, 1975, Rio de Janeiro and Guanabara states merged under the name of Rio de Janeiro. On September 29, 1978, Federação de Futebol do Estado do Rio de Janeiro (Rio de Janeiro State Football Federation) (FERJ), was founded, after Guanabara state's FCF and Rio de Janeiro state's FFD (Federação Fluminense de Desportos, or Fluminense Sports Federation) fused. In 1979, there was an extra Campeonato Carioca which also included the countryside state teams, which, until that year, contested the Campeonato Fluminense. This extra competition, known as Primeiro Campeonato Estadual de Profissionais (First Professionals State Championship) was won by Flamengo, which was also the champion of the regular competition, but did not count in the overall titles. In 1996, Taça Cidade Maravilhosa was contested only by clubs from Rio de Janeiro city. This competition was contested by eight teams (America, Bangu, Botafogo, Flamengo, Fluminense, Madureira, Olaria and Vasco da Gama), which played against each other once. Botafogo was the champion, Flamengo being the runner up. In the same year, a state championship was played, won by Flamengo. Format The competition is usually divided in three stages: the traditional Taça Guanabara, Taça Rio and the Finals. Taça Guanabara is the first stage of the competition, with the teams divided into two groups. The traditional "big four", namely, Botafogo, Flamengo, Fluminense and Vasco da Gama are seeded—two teams of the "big four" put into each group. It is possible other teams also be seeded in some ways, but the seeding criteria are not codified in the regulation and has never been publicly available. The teams play one match with each team in their group. The top team in each group plays the second team in the semi-finals; the winners qualify for the final match. Taça Rio is the second stage of the competition. Teams are divided into the two same groups of Taça Guanabara, but each team plays once