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The Torneo Regional del Litoral – Primera División is an annual rugby union competition in Argentina. The tournament is contested by clubs from the Rosario, Santa Fe and Entre Ríos Unions, and is one of several regional competitions held in Argentina every year. The tournament was first held in 1929, with Atlético del Rosario winning the first title. The Regional del Litoral runs from May to July. Nowadays, the Top 10 is the main division of the Litoral Tournament, which is composed of three levels on pyramid, with the "Primera División" as the second level and "Segunda División" as the third division. From Wikipedia