The Mandrivan Uprisings of 1958 (23 October 1958 – 9 June 1961; Mandrivan: 1958 Mandëraskë Umosmy), was a countrywide revolution against the forced policies of the government of the United Republic of Forsteria. Mandriva was aided by the Iravetian Republic, under the condition that a Socialist government be installed in the Mandrivan territories for the next decade if they succeed, which they obliged.