In 2019, Sheshtamad District was separated from Sabzevar County in the establishment of Sheshtamad County, which was divided into two districts of two rural districts each, with the city of Sheshtomad as its capital.[2] In March 2022, the village of Shamkan was elevated to the status of a city.[4]
^ abJahangiri, Ishaq (c. 2020) [Approved 21 February 2019]. Letter of approval regarding the national divisions of Razavi Khorasan province. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Council of Ministers. Proposal 129353; Notification 17279/T55048H. Archived from the original on 21 October 2020. Retrieved 8 May 2023 – via Islamic Parliament Research Center of the Islamic Republic of Iran.