One thing that was not an accomplishment of Darius was The creation of a national religion that all Persians followed.
Darius the Great was the emperor of Persia and under him, Persia prospered thanks to his accomplishments such as establishing satraps to rule the empire's provinces.
When it came to religion, Darius did not impose a national religion that all Persians had to follow and instead allowed people to worship their own gods.
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