Bern's Old City designated as a UNESCO World Heritage Site
On December 9, 1983, the historic old town of Bern was inscribed as a UNESCO World Heritage site due to its well-preserved medieval townscape and exceptional architectural and urban planning dating back to the high Middle Ages. The Old City of Bern reflects the development and planning characteristic of 12th-century urban development, which makes it an outstanding example of a coherent medieval city structure.