International Union of Revolutionary Writers (Russian: Международное объединение революционных писателей ; МОРП)was a union of writers' organizations established by the Soviet Union in the 1920s and played an active role on the world stage in the 1930s. As an international organization to promote Proletarian literature, it was established as the International Bureau of Proletkult in 1920. From November 6 to 15, the organization was formally established in Kharkiv. Its official organ was International Literature. It has multiple branches around the world.[1]