The Persians started to conquer regions around them under the rule of Cyrus who overthrew the Median king.
Cyrus the Great conquers Babylon and allows Jews to return to their homeland.
A royal bodyguard named Darius took over the responsibilities of the throne after Cambyses II dies.
Darius moves the capital of Persia from Pasargadae to Persepolis.
The Persian Empire fell due to confusion of leadership, rebellion and chaos.