On 3 March 1893, the Sociedade Alemã de Atiradores (German Society of Riflemen, or Deutscher Schüetzen Verein) is founded.
On 15 November 1911, the Esporte Clube 15 de Novembro is founded by employees of Vetter & Irmãos.
On 3 October 1917, the Sociedade Alemã de Atiradores is renamed to Sociedade Concórdia.
On 30 April 1975, Sociedade Concórdia and Esporte Clube 15 de Novembro merged into Clube 15 de Novembro.
In 1994 Clube 15 de Novembro becomes a professional club, and play in the
Campeonato Gaúcho Second Division. The team finished in second position, being promoted to First Division Série B.
The club's anthem was composed by Sérgio Ricardo Schirmer. He was a 15 de Novembro affiliate. He was born on 3 May 1966, and died on 23 September 2002. The anthem is entitled "Grande Tricolor", which means "Great Tricolour" in English.
There is also another anthem, created by the 15 de Novembro's athletes Almir Maciel de Oliveira and Valmir Alves. This anthem was created in the 1960s, during the club's amateur era, and was sung by the club's players and supporters.