Complex sentence: Zederhaus shares the history of the rustic Lungau region, once part of the Roman Noricum province, which until the 1803 Secularisation belonged to the Prince-Archbishopric of Salzburg.
Split into simpler sentences: Zederhaus shares the history of the rustic Lungau region, once part of the Roman Noricum province. Until the 1803 Secularisation it belonged to the Prince-Archbishopric of Salzburg.