Serbian football clubs have participated in European football competitions since its formation, in 1955. It was a game including a Serbian club that marked the kick-off of UEFA European club competitions. It was played on September 4, 1955, in Estádio Nacional in Lisbon, between Portuguese champions Sporting CP, and Yugoslav champions, Partizan (a 3–3 draw, later Partizan won 5–2 in Belgrade). Serbian clubs were by a large margin the most representative among all republics of former Yugoslavia. During Yugoslav periods, Serbian clubs played 3 finals, with the highlight happening in 1991 when Red Star Belgrade became European and world champions.