Cyrus Cylinder is a Babylonian clay document of the 6th century BC, in the name of the Achaemenid Persian king Cyrus the Great (600-530 BC), and now in the British Museum in London. It is considered the "first declaration of human rights". At the height of its power, the Achaemenid Empire encompassed spanned three continents, as far west as Libya to nearly all Middle East, and to Central Asia. Cyrus left an everlasting legacy on leadership as he respected the local people and their freedom, and the customs and religions of every lands he conquered.