sentences:  After the Second World War it passed to the then newly founded state of Rhineland-Palatinate.In the course of administrative restructuring in Rhineland-Palatinate in 1969, Hachenbach was merged with the neighbouring village of Niedereisenbach, which hitherto had belonged to the Birkenfeld district, to form the new municipality of Glanbrücken.The earliest verifiable documentary mention, from 1246, is to be found in a not very accessible information book given to the Benedictine and Cistercian orders.