Periods Historical periods Elamite EmpireMedian Empire Achaemenid EmpireSeleucid EmpireParthian EmpireSasanian EmpireIslamic conquestUmayyad CaliphateAbbasid CaliphatePersianate statesMongol ruleIlkhanateTimurid EmpireSafavid EmpireAfsharid dynastyQajar dynastyPahlavi era -2500 -644 -650 -550 -550 -330 -312 -248 -248 224 224 651 633 651 661 750 750 1258 977 1219 1219 1370 1256 1335 1370 1507 1501 1736 1736 1796 1796 1925 1925 1979