The Jubilee Medal "Thirty Years of Victory in the Great Patriotic War 1941–1945" (Russian: Юбилейная медаль «Тридцать лет Победы в Великой Отечественной войне 1941–1945 гг.») was a state commemorative medal of the Soviet Union established on April 25, 1975, by decree of the Presidium of the Supreme Soviet of the USSR to denote the thirtieth anniversary of the Soviet victory over Nazi Germany in World War II. Source: Wikipedia (en)