The dynasty ruled Iran for 28 years as a form of constitutional monarchy from 1925 until 1953, and following the overthrow of the democratically elected prime minister, for a further 26 years as a more autocratic monarchy until the dynasty was itself overthrown in 1979.In 1878, Reza Khan was born at the village of Alasht in Savadkuh County, Mazandaran Province. His parents were Abbas Ali Khan and Noushafarin Ayromlou.