About Damghan (Damgan)
Damghan is the capital of Damghan County, Semnan Province,
History
It is one of the oldest cities on the Iranian plateau, stretching back 7000 years, and boasts many sites of historic interest. The oldest of these is Tappeh Hessar, lying to the southeast of the city, which holds the ruins of a castle dating from the Sassanid period.
The Tarikhaneh is one of the oldest mosques in Iran, built as a fire temple during the Sassanid ...
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