Allies of World War II

The group of countries known as the Allies of World War II consisted of those nations opposed to the Axis Powers during the Second World War.

World Map with the participants in World War II.
The Allies depicted in green (those in light green entered after the attack on Pearl Harbor), the Axis Powers in orange, and neutral countries in grey.

"The Big 3": Joseph Stalin, Franklin D. Roosevelt and Winston Churchill meeting at Tehran in 1943.

China

Main article: Second Sino-Japanese War

By the time World War II began, the Republic of China had been fighting the Empire of Japan since 1937.

During the 1920s, the Kuomintang government was aided by the Soviet Union, which helped to reorganize the party along the Leninst model of the unification of party, state, and army. However, following the unification of China, Generalissimo Chiang Kai-Shek purged leftists from his party and refused to ally with the Communist Party of China to fight against the Japanese, and instead opted to fight both at once. This remained the case even after the Mukden Incident and the puppet regime of Manchuria set by Japanese troops in 1931. Chiang's anti-communist campaigns continued while he fought small, incessant conflicts against Japan throughout the 1930s. This period saw China lose territories piece by piece to Japan.

Beginning in early 1930s, Germany and China became close partners in areas of military and industrial exchange. Nazi Germany provided the largest proportion of Chinese arms imports and technical expertise. Following the Marco Polo Bridge Incident of July 7, 1937, China and Japan became embroiled in a full-scale war which continued until 1945. Initially, Germany denounced Japanese war crimes in China, such as the Nanking Massacre of 1937. However Germany also recognized that Japan was more capable of fighting the Soviet Union, and soon broke off the cooperation with China in May 1938. The Soviet Union, wishing to keep China in the fight against Japan, supplied China with some military assistance until 1941, until it made peace with Japan to prepare for the war against Germany.

Even though China had been fighting the longest among all the Allied powers, it only officially joined the Allies after the attack on Pearl Harbor, on 7 December 1941. Chiang Kai-shek felt Allied victory was assured with the entrance of the United States into the war and he declared war on Germany and the other Axis nations. However, Allied aid remained low as the Burma Road was closed and the Allies suffered a series of military defeats against Japan early on in the campaign. The bulk of military aid would not arrive until the spring of 1945. More than 1.5 million Japanese troops were trapped in the China Theater; troops that otherwise could have been deployed elsewhere had China collapsed and made a separate peace with Japan.

Key alliances are formed

On September 1, the German invasion of Poland began World War II. Britain, France, Australia and New Zealand all declared war on Germany on September 3. Nepal, Newfoundland, Tonga, South Africa and Canada followed suit within days. On September 17, the Soviets invaded Poland from the East. The following year, the USSR annexed the Baltic states (Estonia, Latvia and Lithuania) together with parts of Romania, and attacked Finland. The German-Soviet agreement was brought to an end by the German invasion of the USSR on June 22, 1941.

The United States of America joined the Allies following the attack on Pearl Harbor, on December 7, 1941. The Declaration by United Nations, on January 1, 1942, officially united 26 nations as Allies. (The Declaration also formed the basis for the United Nations.) The informal Big 3 alliance of the United Kingdom, the Soviet Union, and the United States emerged in the latter half of the war, and their decisions determined Allied strategy around the world.

Dates on which states joined the Allies

Western allies blue, Soviet allies red, Axis powers black over the course of the war.

Italy: 1943 13 October (formerly a member of the Axis)
*

Colombia: 1943 26 November
*

Liberia: 1944 27 January

After D-Day

Romania: 1944 25 August, (formerly a member of the Axis)
*

Bulgaria: 1944 8 September, (formerly a member of the Axis)
*

San Marino: 1944 21 September
*

Albania: 1944 26 October
*

Hungary: 1945 20 January, (formerly a member of the Axis)
*

Bahawalpur: 1945 2 February
*

Ecuador: 1945 2 February
*

Paraguay: 1945 7 February
*

Peru: 1945 12 February
*

Uruguay: 1945 15 February
*

Venezuela: 1945 15 February
*

Turkey: 1945 23 February
*

Lebanon: 1945 27 February
*

Saudi Arabia: 1945 March
*

Argentina: 1945 27 March
*

Chile: 1945 11 April
*

People's Republic of Mongolia: 1945 9 August

Formal alliances during the war

Original allies

The original allies were those states that declared war on Nazi Germany following the German invasion of Poland in September 1939.

* French Republic
* Republic of Poland
* United Kingdom of Great Britain and Northern Ireland

These countries were allied to each other by a net of common defence pacts and military alliance pacts signed before the war. The Franco-British Alliance dated back to the Entente Cordiale of 1904 and the Triple Entente of 1907, active during the World War I. The Franco-Polish Alliance was signed in 1921 and then amended in 1927 and 1939 The Polish-British Common Defence Pact signed on August 25, 1939 contained promises of mutual military assistance between the nations in the event either was attacked by Nazi GermanyPoland never officialy surrendered to the Third Reich and the Polish government in exile after 1939 continued the Polish contribution to World War II on several fronts with hundreds of thousands of members in the Polish Army in France and UK, as well as the Home Army in occupied Poland. The Soviet Union however, did not recognize the government and in 1943 organized the Polish People's Army under Rokossovsky, around which eventually it constructed the post-war successor state the People's Republic of Poland in 1952.

British, Dutch and French colonies fought alongside their metropolitan countries, and many continued their contribution also when the mother countries were occupied.

The British Commonwealth

In addition to the United Kingdom, several independent members of the British Commonwealth — the official name in 1926-49 — known as the Dominions, declared war on Germany separately, either on the same day, or soon afterwards. These countries were: Australia, Canada, New Zealand, Newfoundland (which was not part of Canada until 1949) and South Africa.

The Indian Empire (including the areas covered by the later Republic of India, Pakistan and Bangladesh) and the many British Crown Colonies around the world were controlled politically by Britain and therefore also entered hostilities with Britain's declaration of war. The Indian Empire suffered 1,500,000 civilian casualties, more than the U.K. It also contributed about 2,500,000 personnel and suffered 87,000 military casualties, more than any Commonwealth country other than the U.K.

The Oslo Group

The Oslo Group was an organisation of officially neutral countries. Four members later joined the Allies, as governments in exile: the Kingdom of Norway, the Kingdom of the Netherlands, the Kingdom of Belgium and the Grand Duchy of Luxembourg.

The Republic of Finland was invaded by the USSR on November 30 1939 [1]. Later Finland and the Kingdom of Denmark officially joined the Axis Anti-Comintern Pact. The Kingdom of Sweden remained officially neutral.

Iceland and Greenland, respectively in union with Denmark and a Danish colony, were occupied by the Allies for most of the war. British forces took control in Iceland in 1940, and it was used to facilitate the movement of Lend Lease equipment. Forces from the United States, although they were officially neutral at the time, occupied Greenland on April 9, 1941. The US also took over in Iceland on July 7, 1941. Iceland declared full independence from Denmark in 1944, but never declared war on any of the Axis powers.

Portugal

Although Portugal remained officially neutral, the Anglo-Portuguese Alliance was invoked in World War II leading to the establishment of an Allied base in the Azores. Portugal protested the occupation of Portuguese Timor by Allied forces in 1942, but did not actively resist. The colony was subsequently occupied by Japan; Timorese and Portuguese civilians assisted Allied commandos in resisting the Japanese (see: Battle of Timor). Macao was also occupied by Japan.

Atlantic Charter

The Atlantic Charter was negotiated at the Atlantic Conference by British Prime Minister Winston Churchill and U.S. President Franklin D. Roosevelt, aboard warships in a secure anchorage at Argentia, Newfoundland (located on Placentia Bay) and was issued as a joint declaration on August 14, 1941.

The Atlantic Charter established a vision for a post-World War II world, despite the fact the United States had yet to enter the war.

In brief, the nine points were: # no territorial gains sought by the United States or the United Kingdom; # territorial adjustments must be in accord with wishes of the people; # the right to self-determination of peoples; # trade barriers lowered; # global economic cooperation and advancement of social welfare; # freedom from want and fear; # freedom of the seas; # disarmament of aggressor nations, postwar common disarmament# defeat of Germany and other Axis powers

The Atlantic Charter proved to be one of the first steps towards the formation of the United Nations.

Comintern

The following socialist and pro-Soviet forces also fought against the Axis powers before or during the Second World War.
* Union of Soviet Socialist Republics
* International Brigades
* Popular Front
* Albanian National Liberation Army
* Chinese People's Liberation Army
* Moldova [2] & Bukovina
* Communist Party of Yugoslavia
* Greek National Liberation Front
* Malayan Communist Party
* Tudeh Party of Iran
* Mongolian People's Republic
* Polish People's Army
* Viet Minh
* People's Republic of Azerbaijan [3]
* Kurdish People's Republic

Declaration by United Nations

Declaration by United Nations, January 1, 1942
(26 signatories)
* United Kingdom of Great Britain and Northern Ireland
* United States of America
* Republic of China
* Union of Soviet Socialist Republics
* Commonwealth of Australia
* Kingdom of Belgium
* Canada
* Republic of Costa Rica
* Republic of Cuba
* Czechoslovak Republic
* Dominican Republic
* Republic of El Salvador
* Kingdom of Greece
* Republic of Guatemala
* La Republique d' Haiti
* Republic of Honduras
* India
* Grand Duchy of Luxembourg
* Kingdom of the Netherlands
* Dominion of New Zealand
* Republic of Nicaragua
* Kingdom of Norway
* Republic of Panama
* Republic of Poland
* Union of South Africa
* Kingdom of Yugoslavia

(Note: During 1942 the declaration was adhered to by Mexico, the Commonwealth of the Philippines, and Ethiopia; in the first four months of 1943, it was adhered to by Iraq, Brazil, and Bolivia.

Tripartite Treaty of Alliance 29 January 1942

* United Kingdom
* Soviet Union
* Iran [4]

Pan American Union

[5] (21 members)
*Havana Meeting of Ministers of Foreign Affairs of the American Republics, July 21-30, 1940(Final Act of the Second Meeting of the Ministers of Foreign Affairs of the American Republics at Habana, Cuba, July 30, 1940)
* Bolivia
* Brazil (25 August 1942)
* Colombia
* Costa Rica
* Cuba
* Dominican Republic
* El Salvador
* Guatemala
* Haiti
* Honduras
* Mexico (1 June 1942)
* Nicaragua
* Panama
* United States of America

By 1945 Mexican "Aztec Eagles" or Escuadrón 201 joined the United States of America in the Pacific, specially on the bombings over Formosa (Taiwan) and Luzon (Philippines). From July 1944, a Brazilian Expeditionary Force of 25,000 personnel joined the Allies in the Italian campaign. The other countries in this group contributed support units, small combat forces, or to lesser degrees.

External links

*Changing Alliances In the International Arena
*The Atlantic Conference: Resolution of September 24, 1941
*What was known, what was done by the Allies

Allies of World War II: Encyclopedia BETA

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