How was the Persian state formed?

The Persian state was formed as a result of the uprising of the Persians against the Median kingdom, to which they then obeyed. The uprising was led by the grandson of the king of Media, Cyrus the Second the Great. These events took place in the middle of the sixth century BC. The Persians first conquered Media itself, and then continued their expansion into neighboring states and annexed Elam, Babylon, Lydia, Ionia, Armenia and many other countries and peoples to their country. The Persian state existed until the end of the sixth century BC. and was conquered by Alexander the Great.