 Around two-thirds professed Protestantism, the other third Roman Catholicism.In accordance with the Treaty of Versailles, approximately 40% of the state's territory (in particular, Rhine Hesse and part of Starkenburg) was occupied by the French Army until June 30, 1930.After the end of World War II, Oberhessen and Starkenburg formed part of the American occupation zone, while Rhenish Hesse, on the left bank of the Rhine, fell within the French occupation zone.