FC K?ln, also known as FC Cologne or simply Cologne, is a professional football club based in Cologne, Germany. The club was founded in 1948 and currently competes in the Bundesliga, the top tier of German football. 1. FC K?ln is one of the most successful football clubs in Germany, having won the Bundesliga title twice and the DFB-Pokal (German Cup) four times. The club’s home stadium is the RheinEnergieStadion, which has a capacity of over 50,000. 1. FC K?ln has a large and passionate fan base and is known for its strong rivalry with Borussia M?nchengladbach.