R. Charleroi S.C. after their foundation, they qualified to play in the Promotion (then the second level in Belgian football) and in 1929, the club changed its name to Royal Charleroi Sporting Club. Rivals from Olympic Charleroi were playing in the first division in the late 1930s and the 1940s, while Sporting Charleroi was playing one level down, until they promoted in 1947. In 1949, Sporting Charleroi finished 4th (2 points behind Standard Liège) whereas Olympic Charleroi was 14th. But Olympic took the lead again until 1955 and their relegation to the second division. At the end of the 1956–57 season, Olympic Charleroi
Arsenal F.C. in European football clubs of Europe was made by Swiss club FC Servette. Founded in 1930, the Coupe des Nations featured clubs of ten major European football leagues and was deemed a success. Due to financial reasons, the competition was abandoned. In December 1954, French sports magazine "L'Equipe" published an article by journalist and former professional footballer Gabriel Hanot, who proposed the introduction of a European club competition. He initially suggested that each country should nominate a club to play in a mid-week European league; many clubs favoured a cup competition, which required less matches to play. A year later, "L'Equipe" sent out