Contributions
Under Shapur II's reign the collection of the Avesta was completed, heresy and apostasy punished, and the Christians persecuted (see Abdecalas, Acepsimas of Hnaita). This was a reaction against the Christianization of the Roman Empire by Constantine I. He was successful in the east, and the great town Nishapur in Khorasan (eastern Parthia) was founded by him. He founded some other towns as well.
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