 Complete the following phrase:  Soon after, in May 1924, the club embarked on its first-ever European tour, beginning with an ill-tempered match against Czechoslovakian side Sparta Prague. The match was an intensely physical encounter with Cardiff accusing their opposition of dirty tactics. As the teams left the pitch at the end of the first-half, a furious Keenor, upset at the nature of some tackles he had received, yelled at the Prague players, If I get anymore kicks on the shin I shall be chopping someone off at the knee. In the second-half, Cardiff players found themselves being physically assaulted by members of the crowd, who aimed kicks and punches at the players, when they approached the sidelines to take throw-ins and corner-kicks. Cardiff went on to lose the match 32. They later played matches against First Vienna in Austria and Borussia Dortmund and Hamburger SV in Germany. The following season, Cardiff reached the 