Turn- und Sportverein München von 1860, commonly known as TSV 1860 München or 1860 Munich, is a German sports club based in Munich. The club's football team plays in the 2. Bundesliga, after relegation from the Bundesliga following the 2003–04 season. 1860 Munich was one of the founding members of the Bundesliga in 1963, becoming West German champions in 1966, and has played a total of 20 seasons in the top flight. Since 2005, 1860 Munich's stadium is the Allianz Arena. 1860 Munich has a rivalry with Bayern Munich.