The Greek Super Cup (Greek: Σούπερ Καπ Ελλάδος), officially known as the Cup of Friendship and Solidarity (Greek: Κύπελλο Φιλίας και Αλληλεγγύης) was a Greek association football one-match competition which was contested annually by the Super League champion club and the winners of the Greek Cup.[1][2][3]
Greece - List of Super Cup Finals, Spyros Karasoulos-Alexander Mastrogiannopoulos, Rec.Sport.Soccer Statistics Foundation RSSSF (The first event took place in season's 1979-80 between Olympiacos-Kastoria, champions and cup winners respectively)
The book Legend: a course through time (Heliotropio Publications, 1997) mentions as the first Super Cup that of 1980: "In 1980 the first organization of the" Super Cup "took place, ..." (p. 245)