During the period of their suzerainty over the Caucasus, the Sassanids made attempts to promote Zoroastrianism there with considerable successes, and it was prominent in the pre-Christian Caucasus (especially modern-day Azerbaijan).
The Sassanids made attempts. This was during the period of their suzerainty over the Caucasus. This was to promote Zoroastrianism there with considerable successes. It was prominent in the pre-Christian Caucasus (especially modern-day Azerbaijan). This was during the period of their suzerainty over the Caucasus.