Soon after taking power in the 1921 Persian coup d'état, Reza Shah embarked on a campaign to impose a uniform Persian identity as part of his ambition to replace the heterogeneous Dowlat-e 'Aliyye-ye Irân ("Sublime State of Iran") of the Qajar dynasty with a unified, territorially bounded Kešvar-e Šâhanšâhi-ye Irân ("Imperial State of Iran").