FC Köln, also known as 1. FC Köln, is a German football club based in Cologne. Founded in 1948, the club has a rich history and is one of the most successful teams in German football. They have won the Bundesliga title three times, in 1963-64, 1977-78, and 1978-79. FC Köln has also won the DFB-Pokal, the premier domestic cup competition in Germany, four times. The club's home venue is the RheinEnergieStadion, which has a capacity of over 49,000 spectators. FC Köln is affectionately known as "Die Geißböcke" (The Billy Goats) due to the club's mascot, a goat named Hennes. The goat has been a symbol of the city of Cologne since the 1950s, and FC Köln adopted it as their mascot in 1950. FC Köln has a passionate fan base and enjoys a strong rivalry with Borussia Mönchengladbach, with matches between the two teams known as the "Rhein-Derby." The club's history, accomplishments, and loyal supporters make FC Köln a significant presence in German football.