Daular Achaemenid , wacce Cyrus the Great ya kafa a shekara ta 550 KZ, ta kasance a kasar Iran a yanzu kuma ta zama daula mafi girma a lokacinta, tana da fadin murabba'in kilomita miliyan 5.5.Ya tashi daga Balkans daMasar a yamma, a yammacin Asiya ta yamma, Asiya ta tsakiya, da kuma cikin kwarin Indus a Kudancin Asiya.^[17]Wanda ya samo asali a Farisa, kudu maso yammacin Iran, a kusan karni na 7 KZ, Farisa, ^[18] karkashin Cyrus, sun hambarar da Daular Mediya, Lydiya, da Daular Neo-Babila.An lura da Cyrus don kyakkyawan shugabancinsa, wanda ya ba da gudummawa ga dawwamar daular, kuma an yi masa lakabi da "Sarkin Sarakuna" (shāhanshāh).Ɗansa, Cambyses II, ya ci ƙasar Masar, amma ya mutu a cikin yanayi na ban mamaki, wanda ya kai ga hawan Darius na ɗaya mulki bayan ya hambarar da Bardiya.Darius I ya kafa gyare-gyaren gudanarwa, ya gina manyan ababen more rayuwa kamar tituna da magudanar ruwa, da daidaitattun tsabar kuɗi.An yi amfani da harshen tsohuwar Farisa a cikin rubutun sarauta.A karkashin Cyrus da Darius, daular ta zama mafi girma a tarihi har zuwa wannan lokacin, wanda aka sani da juriya da girmamawa ga sauran al'adu.^[19]A ƙarshen karni na shida KZ, Darius ya faɗaɗa daular zuwa Turai, ya mamaye yankuna ciki har da Thrace kuma ya mai da Macedon ta zama ƙasa mara kyau a kusa da 512/511 KZ.^[20] Duk da haka, daular ta fuskanci kalubale a Girka .Yaƙe-yaƙe na Greco-Persian sun fara ne a farkon ƙarni na 5 KZ bayan tawaye a Miletus wanda Athens ta goyi bayan.Duk da nasarorin da aka samu a farko, ciki har da kama Atina, a ƙarshe Farisa sun ci nasara kuma suka janye daga Turai.^[21]Rugujewar daular ta fara ne da rikicin cikin gida da matsi na waje.Masar ta sami ’yancin kai a shekara ta 404 KZ bayan mutuwar Darius II amma Artaxerxes III ya ci nasara a 343 KZ.Daular Achaemenid a ƙarshe ta fada hannun Alexander the Great a shekara ta 330 KZ, wanda ke nuna farkon lokacin Hellenistic da hawan Masarautar Ptolemaic da Daular Seleucid a matsayin magada.A zamanin yau, an yarda da Daular Achaemenid don kafa ingantaccen tsari na tsarin mulki na tsakiya, tsarin mulki.Wannan tsarin yana da tsarin manufofinsa na al'adu daban-daban, wanda ya haɗa da gina gine-gine masu rikitarwa kamar tsarin hanya da tsarin gidan waya.Masarautar ta kuma inganta amfani da harsunan hukuma a fadin manyan yankunanta kuma ta bunkasa ayyukan farar hula, gami da ƙwararrun sojoji.Waɗannan ci gaban sun kasance masu tasiri, suna ƙarfafa irin wannan salon mulkin a dauloli daban-daban da suka biyo baya.^[22]