List of World War II conferences

This is a list of World War II conferences of the Allies of World War II. For the historical context see Diplomatic history of World War II.

Name (CODE NAME)	Location	Dates	Major participants:	Major results
U.S.-British Staff Conference (ABC-1) (ABC-1)	Washington, D.C.	January 29 – March 27, 1941	American, British, and Canadian military staff	Set the basic planning agreement for the U.S. to enter the war
Atlantic Conference (RIVIERA)	Argentia, Newfoundland	August 9 – 12, 1941	Churchill, Roosevelt, Hopkins	Atlantic Charter, proposal for a Soviet aid conference
Moscow Conference	Moscow, USSR	September 29 – October 1, 1941	Stalin, Harriman, Beaverbrook, Molotov	Allied aid to Russia
First Washington Conference (ARCADIA)	Washington, D.C.	December 22, 1941 – January 14, 1942	Churchill, Roosevelt	Europe first, Declaration by United Nations
Second Washington Conference	Washington, D.C.	June 20 – 25, 1942	Churchill, Roosevelt	Make first priority opening a 2nd front in North African Campaign before cross-English channel invasion
Second Moscow Conference	Moscow, USSR	August 12 – 17, 1942	Churchill, Stalin, Harriman	Discuss reasons for North African Campaign over cross-channel invasion, Anglo-Soviet pact on information and technological exchanges
Cherchell Conference	Cherchell, Algeria	October 21 – 22, 1942	American General Clark, and Vichy French officers including Charles Mast	A clandestine conference before the Operation Torch landings, in which some Vichy French commanders agreed not to resist the Allied landings in Morocco and Algeria
Casablanca Conference (SYMBOL)	Casablanca, Morocco	January 14 – 24, 1943	Churchill, Roosevelt, Charles de Gaulle, Henri Giraud	Plan Italian Campaign, plan cross channel invasion in 1944, declaration of "unconditional surrender" of Axis, Incitement to unify French fighting authorities of London and Algiers
Third Washington Conference (TRIDENT)	Washington, D.C.	May 12 – 27, 1943	Churchill, Roosevelt, Marshall	Plan Italian Campaign, increase air attacks on Germany, increase war in Pacific
Quebec Conference (QUADRANT)	Quebec, Canada	August 17 – 24, 1943	Churchill, Roosevelt	D-Day set for 1944, reorganization of South East Asia Command, secret Quebec Agreement to limit sharing nuclear energy info
Third Moscow Conference	Moscow, USSR	October 18 – November 1, 1943	Foreign ministers Hull, Eden, Molotov, Fu and Stalin	Moscow Declaration
Cairo Conference (SEXTANT)	Cairo, Egypt	November 23 – 26, 1943	Churchill, Roosevelt, Chiang Kai-shek	Cairo Declaration for postwar Asia
Tehran Conference (EUREKA)	Tehran, Iran	November 28 – December 1, 1943	Churchill, Roosevelt, Stalin	First meeting of the Big 3, plan the final strategy for the war against Nazi Germany and its allies, set date for Operation Overlord
Second Cairo Conference (SEXTANT)	Cairo, Egypt	December 4 – 6, 1943	Churchill, Roosevelt, İnönü	Agreement to complete Allied air bases in Turkey, postpone Operation Anakim against Japan in Burma.
British Commonwealth Prime Ministers' Conference	London, England	May 1–16, 1944	Churchill, John Curtin (Australia), Peter Fraser (New Zealand), William Lyon Mackenzie King (Canada) and General Jan Smuts (South Africa).	British Commonwealth leaders support Moscow Declaration and reach agreement regarding their respective roles in the overall Allied war effort.
Bretton Woods conference	Bretton Woods, USA	July 1 – 15, 1944	Representatives of 44 nations	Establishes International Monetary Fund and International Bank for Reconstruction and Development
Dumbarton Oaks Conference	Washington, D.C.	August 21 – 29, 1944	Delegates from 39 nations, Stettinius, Cadogan, Gromyko	Agreement to establish the United Nations
Second Quebec Conference (OCTAGON)	Quebec, Canada	September 12 – 16, 1944	Churchill, Roosevelt,	Morgenthau Plan for postwar Germany, other war plans, Hyde Park Agreement
Fourth Moscow Conference (TOLSTOY)	Moscow, USSR	October 9, 1944	Churchill, Stalin, Molotov, Eden	Establishing post-war spheres of influence in Eastern Europe, Balkan peninsula
Malta Conference (ARGONAUT & CRICKET)	Malta	January 30 – February 2, 1945	Churchill, Roosevelt	Preparation for Yalta
Yalta Conference (ARGONAUT & MAGNETO)	Yalta, USSR	February 4 – 11, 1945	Churchill, Roosevelt, Stalin	final plans for defeat of Germany, postwar Europe plans, set date for United Nations Conference, conditions for the Soviet Union's entry in war against Japan
United Nations Conference on International Organization	San Francisco, USA	April 25 – June 26, 1945	Representatives of 50 nations	United Nations Charter
Potsdam Conference (TERMINAL)	Potsdam, Germany	July 17 – August 2, 1945	Churchill, Stalin, Truman, Attlee	Potsdam Declaration for unconditional surrender of Japan, Potsdam Agreement on policy for Germany

In total Churchill attended 14 meetings, Roosevelt 12, Stalin 5.

Code names for some of the major wartime conference meetings involving Roosevelt and later Truman had a partial naming sequence referring to devices or instruments which had an ordinal number as part of their meaning referring to the number of the meeting: 1 ARCADIA, 2 SYMBOL, 3 TRIDENT, 4 QUADRANT, 5 (none), 6 SEXTANT, 7 EUREKA, 8 OCTAGON, 9 ARGONAUT (CRICKET & MAGNETO), 10 and last TERMINAL.

Atlantic Conference, Argentia, Dominion of Newfoundland, 1941

Casablanca Conference, Casablanca, Morocco, 1943

First Quebec Conference Quebec City, Canada, 1943

Cairo Conference, Cairo, Egypt, 1943

Tehran Conference, Tehran, Iran, 1943

Second Cairo Conference, Cairo, Egypt, 1943

Yalta Conference, Yalta, USSR, 1945

Potsdam Conference, Potsdam, Germany, 1945

Further reading

• What major conferences were held during World War II?, website of the Franklin D. Roosevelt Presidential Library
• United States Army Center of Military History
  • Planning for Coalition Warfare, 1941 -1942
  • Strategic Planning for Coalition Warfare, 1943 -1944
  • Washington Command Post: The Operations Division
  • Appendix C: Principals at the international conferences January 1943—September 1944