Cyrus the Great: the founder of the Archaemid Dynasty who created the world's largest empire at that time!

Cyrus the Great (600-530 BC) was the leader who founded the Archaemid Dynasy. he led the conquests included the Lydian, Neo-Babylonian, and the Median Empires. At the end of his reign, he conquered the largest land grab, from the Asian Minor all the way into the northwest part of India. Cyrus' daughter married future Persian ruler Darius the Great, and they had their son, the future King Xerxes I. Cyrus was killed in battle.