The Fourth Moscow Conference, also Tolstoy Conference for its code name Tolstoy, between the major Allies of World War II took place from October 9 to October 19, 1944. The chief representatives for the Soviet Union at the conference were Joseph Stalin, the Soviet leader, and Vyacheslav Molotov the Soviet foreign minister. The United Kingdom principal representatives were Winston Churchill, the British Prime Minister and the British Foreign Secretary Anthony Eden. The United Kingdom CIGS, Field Marshal Sir Alan Brooke was also present as were the United States ambassador to Moscow, Averell Harriman, and General John R. Deane, head of the United States Military Mission in Moscow as observers. Also at the conference were delegations from both the London based Polish government in Exile and P