Cyrus The Great was the founder of the Achaemenid Empire, one of the largest empires in ancient history. He is known for his innovative approach to governance, which included respect for the customs and religions of the lands he conquered, earning him a reputation as a benevolent ruler. His reign lasted from 559 to 530 BC, during which he expanded his empire through military conquests and strategic alliances. Cyrus is also famous for the Cyrus Cylinder, often considered the first declaration of human rights, which reflects his progressive policies and vision for a unified empire.