Explanation:
Cyrus II (Cyrus the Great) overthrows the Median monarch and establishes the Achaemenid Empire in Persia and Media in the 6th century BCE. Cyrus captures Babylon and frees the Jews from captivity in 539 BCE. Cambyses II, Cyrus' son, conquers Egypt in 525 B.C. Darius I becomes king in 522 BCE.
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