Nidaros
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Nidaros, Niðarós or Niðaróss was the medieval name of Trondheim when it was the capital of Norway's first Christian kings. It was named for its position at the mouth of the River Nid.
Nidaros Cathedral in 1857
The cathedral in 2011
Garðar, Greenland
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Garðar was the seat of the bishop in the Norse settlements in Greenland. It was the first Catholic diocese established in the Americas and is now a Latin Catholic titular see.
Harvesting the hay in Vatnahverfi, Garðar
Crosier and episcopal ring of a 13th-century Greenlandic bishop. The skeleton from the grave has been radiocarbon dated to 1223-1290 (the calibrated dating is 1272). Olaf was bishop in Greenland in the period 1246-80, so the grave was likely his.