Kim Il-Sung was the President of the Democratic People's Republic of Korea from 1948 to 1971, upon his execution by the Red Army. During the Korean War, Kim opposed his trusted general Choi Yong-Kun's plan to ask for aid from the Soviet Union and China. Nevertheless, Choi proceeded to ask for assistance, which allowed him to remove the UN force for Pusan. Kim provided military aid to the Soviet Union during the Third World War. During the Purge of the Revisionists, Kim propagated the idea that he was unstoppable and planning the construction of a massive weapon, but the DPRK was easily overwhelmed by the Red Army attacking from China. Kim, Choi, and many other Korean officials were killed in the aftermath.