 Nyorai kupfuurira kweiyi ndima - Iran yakaratidza kokutanga donzo rayo rokutumira munhu muchadenga mukati memusangano wevatungamiri veSoviet neIran muna 1990. Mutungamiri weSoviet Mikhail Gorbachev akasvika pachibvumirano neaichimbova Mutungamiri Akbar Hashemi Rafsanjani kuti vaite ndege dzakabatana dzeSoviet-Iranian kuenda kunzvimbo yekudenga yeMir asi chibvumirano hachina kuzadzikiswa mushure mekuparadzwa kweUSSR. 