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An earthquake destroyed the city of Dvin, Armenia, resulting in about 30,000 casualties.

893 Dvin earthquake

Earthquake in Armenia

The 893 Dvin earthquake occurred on 28 December at around midnight. It had a magnitude of approximately 6 and a maximum intensity of approximately IX (Violent) on the Mercalli intensity scale. It destroyed the city of Dvin in Armenia, causing approximately 30,000 casualties. The…
Source: Wikipedia (CC BY-SA)

Dvin (ancient city)

Capital of early medieval Armenia

Dvin was a large commercial city and the capital of early medieval Armenia. It was situated north of the previous ancient capital of Armenia, the city of Artaxata, along the banks of the Metsamor River, 35 km to the south of modern Yerevan. It is claimed it was one of the…
Source: Wikipedia (CC BY-SA)