1. FC Köln, commonly known as FC Köln or “Effzeh,” is a German professional football club based in Cologne, North Rhine-Westphalia. The club was founded on 13 February 1948 through the merger of Kölner BC 01 and SpVgg Sülz 07. Since its formation, 1. FC Köln has become one of the most prominent football institutions in the Rhineland and has developed a strong cultural and emotional connection with the city of Cologne. The club's identity is closely associated with its red-and-white colours, the famous billy goat mascot Hennes and its passionate supporter base. The club achieved its greatest domestic success during the early decades of the Bundesliga. 1. FC Köln became German champions in 1964, winning the inaugural Bundesliga title, and subsequently reached the German championship final several times. The club has also won the DFB-Pokal, with its most recent cup triumph coming in 1983. Throughout its history, FC Köln has regularly competed in Germany's top two divisions and has also represented Germany in European competitions. Its history includes appearances in the European Cup, UEFA Cup and other international competitions. The club has traditionally placed considerable importance on developing talented footballers, with its academy producing players who have progressed to professional and international football. The FC academy forms an important part of the organisation's sporting structure and provides pathways for boys and girls through youth football toward senior-level competition. The club also operates a professional women's team, making 1. FC Köln one of the major football organisations in Germany with both men's and women's programmes. The club's modern operations extend well beyond the professional men's first team. 1. FC Köln manages sporting, commercial, media, academy, women's football, supporter and community activities. Its business network includes numerous regional and national partners, while its membership and fan community extend far beyond Cologne. The club describes itself as representing the heart and soul of Cologne and maintains a strong relationship with the city's population and sporting community. 1. FC Köln's administrative and training centre is located at Geißbockheim, Franz-Kremer-Allee 1–3, 50937 Köln. The club's professional teams play their home matches at RheinEnergieSTADION in Cologne, while the Franz-Kremer-Stadion is used for other football activities. The official club contact information confirms the Geißbockheim as the organisation's administrative and training base. According to its current LinkedIn company profile, 1. FC Köln operates in spectator sports, has a reported company size of 51–200 employees and is headquartered in Cologne.