The European Cup was a prestigious annual football tournament established in 1955, featuring the top club teams from across Europe. It was organized by the Union of European Football Associations (UEFA) and was known for showcasing the best talent in European football. The tournament was rebranded as the UEFA Champions League in 1992, expanding its format and increasing participation. The competition's format involved knockout rounds, culminating in a final match to determine the champion. Clubs like Real Madrid, AC Milan, and Liverpool have historically dominated the tournament, contributing to its rich history and legacy in the world of football.