 Complete the following phrase:  Cardiff City Football Club is a Welsh professional association football club based in Cardiff, Wales. The club was founded in 1899 and initially played in local amateur leagues before joining the English football league system. After spending a decade in the Southern Football League, Cardiff joined the Football League in 1920. Since then, the club has played in all four professional divisions of the Football League, spending 17 seasons in the top tier since its formation. Cardiff have also reached the final of the FA Cup on three occasions, winning the trophy in the 