Carpathian Ruthenia was a region in the easternmost part of Czechoslovakia (Subcarpathian Ruthenia, or Transcarpathia) that became an autonomous region within that country in September 1938. It declared its independence as the "Republic of Carpatho-Ukraine” in 15 March 1939, however being occupied and annexed by Hungary the same day. Starting with October 1944, the Soviet Red Army occupied the territory and short period the territory of the region was organised as , until it was incorporated into the Ukrainian Soviet Socialist Republic in 1946. In total between 1939 and 1944 80,000 Carpathian Ukrainians perished.