The 1956 Campeonato Argentino de Rugby was won by the selection of Buenos Aires Province ("Provincia") that beat in the final the selection of La Plata.
Twelve team participated, because the club of Santa Fè Province left the founding the Unión santafesina de rugby.
Cause the contemporary Oxford-Cambridge combined tour, "Provincia" and "Capital" selection were directly admitted to semifinals
A mixed selection, formed also of many international player of British national team, student at Oxford and Cambridge universities visit Argentina, for the second historical tour, the second after the tours in 1948- The visitors won \0 match on 11, and 2 test on 2 againsta Argentina.