city
Cologne (Colonia Agrippina)
Cologne (Köln), Germany · North & Northeast Europe
50.941, 6.960
Attested. Attested by the 313/314 council records.
Maternus, bishop of Cologne, took part in the Roman synod of 313 and the Council of Arles in 314, the earliest firm evidence for a church on the Rhine frontier. Late-Roman churches such as St Gereon grew over martyr graves. The medieval cathedral continues the bishopric.
Source stance: insider. Church council records.
People and groups named here
- Maternus of Cologne
Sources
- Cologne
Catholic Encyclopedia (1907-1912), public domain; New Advent. Accessed 2026-11-11.
- Cologne Cathedral (UNESCO World Heritage List no. 292)
UNESCO World Heritage Centre. Accessed 2026-11-11.
- Pleiades place 108751: Ara Ubiorum/Col. Claudia Ara Agrippinensium
Pleiades Gazetteer (ISAW, NYU). Accessed 2026-11-11.
Further reading
Councils here
None in this list.