 Nyorai kupfuurira kweiyi ndima - 1722 kupandukira kwaMahmud Hotak kurwisa umambo hweIran. Ukama pakati penyika mbiri idzi hwakatanga pakati-kusvika-kumagumo ezana ramakore rechi19, apo Iran yaizivikanwa kumadokero sePersia. Pakutanga, nepo Persia yakanga ichingwarira zvikuru zvido zveBritish neRussia panguva yeGreat Game, United States yaionekwa sesimba rekunze rinovimbika, uye maAmerican Arthur Millspaugh naMorgan Shuster vakatogadzwa sevatarisiri vakuru neShahs yenguva iyoyo. Mukati meHondo Yenyika II, Persia yakapinda nechisimbaneUnited Kingdom neSoviet Union, vose vari vasonganiri veU.S., asi ukama hwakaramba huri hwakanaka pashure pehondo kusvikira makore okupedzisira ehurumende yaMohammad Mosaddegh, uyo akakandirwa pasi nechisimba chakarongwa neCentral Intelligence Agency uye akabetserwa neMI6. Ikoku kwakateverwa nenguva yesonganiro yepedyo zvikuru noushamwari pakati pehurumende yaShah Mohammad Reza Pahlavi nehurumende yeU.S., Persia kuva mumwe wevabatiri vepedyo veU.S., iyo yakateverwa nekudzoka kunoshamisa uye kusawirirana pakati penyika mbiri pashure pe 1979 Iranian Revolution. 