Occupations of the Rhineland and Saar regions: — blue: France , including the former American zone around Koblenz — yellow: Belgium — brown: United Kingdom — stripes : Ruhr, occupied by France and Belgium — green: Saar, occupied by France under the auspices of the League of Nations[1] French forces continued to occupy German territory in the Rhineland until the end of 1930, while France continued to control the smaller Saarland region until 1935.[2]