 List of Iranian flags. 2400 BC Shadad Standard, one of the oldest flags and the oldest known metal flag in human history. 559-529 BC, Standard of the Achaemenid Empire. 247 BC to 24 AD, Parthian Sun, the flag of Parthians. 224-651, Flag of the Sassanian Empire, called Darafsh Kaviani. Flag of the Safari Dynasty. Flag of the Seljuk Empire. Flag of the Khorazmian Empire. Flag of the Ilkhanate and the Jaleirid Sultanate. Flag of the Timurid Empire. Flag of the Safavid Dynasty. Standard of Nader Shah. Flag of the Afsharid Dynasty. Flag of the Zand Dynasty. Flag of the Qajar Dynasty. Flag of Monarchy of Iran under the Pahlavi Dynasty. Flag of Islamic Republic of Iran. Which flag would you choose? Comment below and don't forget to subscribe.