Agha Mohammad Khan Qajar
Agha Mohammad Khan Qajar (Persian: آقا محمد خان قاجار, romanized: Âqâ Mohammad Xân-e Qâjâr; 14 March 1742 – 17 June 1797), also known by his regnal name of Agha Mohammad Shah (آقامحمد شاه), was the founder of the Qajar dynasty of Iran, ruling as Shah from 1789 to 1797, after reunifying the country and establishing Tehran as its capital. He was the son of Mohammad Hasan Khan, a chieftain of the Quwanlu branch of the Qajar tribe who vied for the throne of Iran after the death of Nader Shah.