Founded on 1 July 1906, Sporting is one of the "Três Grandes" (Big Three) clubs in Portugal, along with rivals S.L. Benfica and FC Porto, that have never been relegated from the top flight of Portuguese football, Primeira Liga, since 1934. Sporting are nicknamed "Leões" (Lions) and "Verde e Brancos" (Green and Whites). The club's anthem, ""A Marcha do Sporting"" (Sporting's March), was written in 1955. On July 2020, Sporting announced that it had 106,625 active members, following its last recount.