The National Committee for the Liberation of Yugoslavia (Serbo-Croatian: Nacionalni komitet oslobođenja Jugoslavije, Slovene: Nacionalni komite osvoboditve Jugoslavije, NKOJ), also known as the Yugoslav Committee of National Liberation, was the World War II provisional executive body of the Democratic Federal Yugoslavia, established on 29 November 1943 by the Yugoslav Partisans, a resistance movement and military arm of the Communist Party of Yugoslavia, led by Josip Broz Tito; in opposition to the London-based Yugoslav government-in-exile, headed by King Peter II.