sentences:  By 1805, Dunzweiler, along with the rest of the German lands on the Rhine’s left bank, had been annexed to Napoleon’s empire, within which the "Commune de Dunzweiler" found itself until 1814 in the Canton of Waldmohr, the Arrondissement of Sarrebruck (Saarbrücken) and the Department of Sarre, whose seat was at Trèves (Trier).In 1805, the French administration had a "plan géometrique" of Dunzweiler laid out, that is, a map with building areas and divisions of farm fields drawn in.This makes it clear that there was a great upswing in the village’s population in the 19th century.