sentences:  University towns in the greater region are Kaiserslautern, Saarbrücken, Trier and Mainz.Preparations to build a school in the early 17th century could not be brought to fruition mainly because of the frightful events of the Thirty Years' War, and newer records about schooling in Trahweiler only show up in historical records from the 18th century (the Thirty Years' War ended in 1648).These records say that at that time, many children did not go to school because they were expected to work in the fields.