What empire did Cyrus founded?

Cyrus the Great founded the Achaemenid Empire, also known as the First Persian Empire, around the 6th century BCE. He united the Medes and Persians and expanded the empire through conquests, incorporating a vast territory that stretched from the Indus Valley in the east to the Aegean Sea in the west. Cyrus is renowned for his innovative administrative practices and respect for the cultures and religions of the lands he conquered. His legacy includes the establishment of one of the largest empires in ancient history.