Association football  has a long and storied history in Portugal, following its 1875 introduction. The country's top domestic league, the Primeira Liga, was founded in 1934 and is home to internationally successful clubs such as S.L. Benfica, FC Porto and Sporting CP, the "Big Three" who usually dominate the league. In total, Portuguese clubs have won the UEFA Champions League (the most prestigious club competition in European football) four times, the UEFA Europa League (UEFA Cup) twice, the UEFA Cup Winners' Cup (European Cup Winners' Cup) once, the UEFA Intertoto Cup once, the UEFA Super Cup (European Super Cup) once and the Intercontinental Cup twice.