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States and territories disestablished in 1803

  • Helvetic RepublicOn the 5th of March 1798, French troops completely overran Switzerland and the Old Swiss Confederation collapsed. The invasion proceeded largely peacefully…
  • Prince-Archbishopric of SalzburgSaint Boniface founded the diocese of Salzburg in 739 within the German stem duchy of Bavaria. The capital city grew from a former Roman settlement into an…
  • AugsburgAugsburg emerged from the earth in 15 BC as a Roman military colony named Augusta Vindelicorum. Emperor Augustus ordered its construction at the convergence…
  • RegensburgThe year 90 marked the construction of Castra Regina, a Roman military fort established at the confluence of the Danube, Naab, and Regen rivers.