 Complete the following phrase:  Associazione Calcio Firenze Fiorentina is an Italian professional football club based in Florence, Tuscany. The club was formed on 29 August 1926 by a merger of C.S. Firenze and P.G. Libertas as Associazione Calcio Firenze, and played its first competitive match on 3 October against Pisa. Renamed to Associazione Calcio Fiorentina in 1927, the club won their first piece of silverware, the 193940 Coppa Italia, in their first season following their promotion back to Serie A after a one-season stay in the second tier. Their first scudetto league championship was won in the 195556 season, losing only once in the 34-game season; this was followed by four consecutive second-place finishes. On an international level, following their league win, Fiorentina took part for the first time in a European competition, becoming also the first Italian club to play in a European Cup final losing 