During the Weimar Republic, he joined the Deutsche Arbeiter-Partei, the precusor to the National Socialist German Workers Party, and the paramilitary group Freikorps of Franz Ritter von Epp in 1919.[1] Dietl continued to serve in the German Army and, as a Generalmajor, he helped organise the 1936 Winter Olympics held at Garmisch-Partenkirchen.[2]