In German football, FCK most commonly refers to 1. FC Kaiserslautern, a historically prominent and traditional sports club based in the city of Kaiserslautern within the state of Rhineland-Palatinate. Founded in 1900, the club is famously known by its nickname Die Roten Teufel (The Red Devils) and was a founding member of the Bundesliga in 1963. Kaiserslautern has captured four German league championships and two DFB-Pokal titles, achieving legendary status in 1998 by winning the Bundesliga title as a newly promoted side—a historic feat that remains unmatched. They play their home matches at the iconic Fritz-Walter-Stadion, named after the legendary captain of West Germany's 1954 World Cup-winning team.