 The German lands on the Rhine’s left bank were annexed by France.Between 1801 and 1814, Wahnwegen lay in the Department of Sarre and the "Mairie" (“Mayoralty”) of Quirnbach in the Canton of Kusel and the Arrondissement of Birkenfeld.In the time that followed, after Napoleonic times and under the terms of the Congress of Vienna, Wahnwegen belonged to the Kingdom of Bavaria, within which it found itself in the "Bürgermeisterei" (“Mayoralty”) of Quirnbach and the Canton and "Landkommissariat" (later "Bezirksamt" and "Landkreis", or “district”) of Kusel.