. . "0224Z"^^ . "-247Z"^^ . . . . . . . . . "The Parthian Empire (/\u02C8p\u0251r\u03B8i\u0259n/; 247 BC \u2013 224 AD), also known as the Arsacid Empire /\u02C8\u0251rs\u0259s\u026Ad/, was a major Iranian political and cultural power in ancient Iran. Its latter name comes from Arsaces I of Parthia who, as leader of the Parni tribe, founded it in the mid-3rd century BC when he conquered the region of Parthia in Iran's northeast, then a satrapy (province) in rebellion against the Seleucid Empire. Mithridates I of Parthia (r. c."@en . "Parthian Empire"@en .