19thcentury alemanni(germanicpeople) antiquities archaeology archaeologyandhistory bishops carolingians catalogs christianhagiography churchandstate churchhistory civilization cryptography culture episcopacy excavations(archaeology) foreignrelations france franks germany grail gravegoods hagiography historiography history historycatholicchurch kingsandrulers liturgy medieval military militaryhistory nationalism palatinate politicalactivity politicsandgovernment religion rennes-le-châteauregion sources temporalpower to768 to987 treasure-troves