In the years after the war, Bayern won several regional competitions before winning its first South German championship in 1926, an achievement repeated two years later. 1900-01 South German championship. By the end of its first decade of founding, Bayern had its first German national team player, newcastle retro shirt Max Gablonsky. Die Zeit (in German). By 1920, it had over 700 members, making it the largest football club in Munich. Bayern Munich was founded by members of a Munich gymnastics club (MTV 1879). When a congregation of members of MTV 1879 decided on 27 February 1900 that the footballers of the club would not be allowed to join the German Football Association (DFB), eleven members of the football division left the congregation and on the same evening founded Fußball-Club Bayern München.