552 BCEThe Battle of Hyrba is fought between the Medians and the Persians led by Cyrus the Great.In the 550s BC, the 6th century BC.Conflict & SecurityThe Battle of Hyrba is fought between the Medians and the Persians led by Cyrus the Great.sourceNearby← 551 BCE553 BCE →561 BCE–552 BCE552 BCE553 BCE554 BCE555 BCE556 BCE557 BCE558 BCE559 BCE560 BCE561 BCE