When the United Kingdom declared war on Nazi Germany in September 1939 at the start of World War II, it controlled to varying degrees numerous crown colonies, protectorates, and India. It also maintained strong political ties to four of the five independent Dominions—Australia, Canada, South Africa, and New Zealand[a]—as co-members (with the UK) of the British Commonwealth.[b] In 1939 the British Empire and the Commonwealth together comprised a global power, with direct or de facto political and economic control of 25% of the world's population, and of 30% of its land mass.[3]
The contribution of the British Empire and Commonwealth in terms of manpower and materiel was critical to the Allied war-effort. From September 1939 to mid-1942, the UK led Allied efforts in multiple global military theatres. Commonwealth, Colonial and Imperial Indian forces, totalling close to 15 million serving men and women, fought the German, Italian, Japanese and other Axis armies, air-forces and navies across Europe, Africa, Asia, and in the Mediterranean Sea and the Atlantic, Indian, Pacific and Arctic Oceans. Commonwealth forces based in Britain operated across Northwestern Europe in the effort to slow or stop Axis advances. Commonwealth airforces fought the Luftwaffetoa standstill over Britain, and Commonwealth armies defeated Italian forces in East Africa and North Africa and occupied several overseas colonies of German-occupied European nations. Following successful engagements against Axis forces, Commonwealth troops invaded and occupied Libya, Italian Somaliland, Eritrea, Ethiopia, Iran, Iraq, Syria, Lebanon, Iceland, the Faroe Islands, and Madagascar.[4]
The Commonwealth defeated, held back or slowed the Axis powers for three years while mobilizing its globally-integrated economy, military, and industrial infrastructure to build what became, by 1942, the most extensive military apparatus of the war. These efforts came at the cost of 150,000 military deaths, 400,000 wounded, 100,000 prisoners, over 300,000 civilian deaths, and the loss of 70 major warships, 39 submarines, 3,500 aircraft, 1,100 tanks and 65,000 vehicles. During this period the Commonwealth built an enormous military and industrial capacity. Britain became the nucleus of the Allied war-effort in Western Europe, and hosted governments-in-exile in London to rally support in occupied Europe for the Allied cause. Canada delivered almost $4 billion in direct financial aid to the United Kingdom, and Australia and New Zealand began[when?] shifting to domestic production[clarification needed] to provide material aid to US forces in the Pacific.[citation needed] Following the US entry into the war in December 1941, the Commonwealth and the United States coordinated their military efforts and resources globally. As the scale of the US military involvement and industrial production increased, the US undertook command in many theatres, relieving Commonwealth forces for duty elsewhere, and expanding the scope and intensity of Allied military efforts.[5] Co-operation with the Soviet Union also developed. However, it proved difficult to co-ordinate the defence of far-flung colonies and Commonwealth countries from simultaneous attacks by the Axis powers. In part this difficulty was exacerbated by disagreements over priorities and objectives, as well as over the deployment and control of joint forces.
Although the British Empire emerged from the war as one of the primary victors, regaining all colonial territories that had been lost during the conflict, it had become financially, militarily and logistically exhausted. The British Empire's position as a global superpower was supplanted by the United States, and Britain hitherto no longer played as great of a role in international politics as it had previously done so. Stoked by the war, rising nationalist sentiments in British colonies, in particular those in Africa and Asia, led to the gradual dissolution of the British Empire during the second half of the 20th century through decolonisation.[6][7]
From 1923, defence of British colonies and protectorates in East Asia and Southeast Asia was centred on the "Singapore strategy". This made the assumption that Britain could send a fleet to its naval base in Singapore within two or three days of a Japanese attack, while relying on France to provide assistance in Asia via its colony in Indochina and, in the event of war with Italy, to help defend British territories in the Mediterranean.[8] Pre-war planners did not anticipate the fall of France: Nazi occupation, the loss of control over the Channel, and the employment of French Atlantic ports as forward bases for U-boats directly threatened Britain itself, forcing a significant reassessment of naval defence priorities.
During the 1930s, a triple threat emerged for the British Commonwealth in the form of militaristic governments in Germany, Italy, and Japan.[9] Germany threatened Britain itself, while Italy and Japan's imperial ambitions looked set to clash with the British imperial presence in the Mediterranean and East Asia respectively. However, there were differences of opinion within the UK and the Dominions as to which posed the most serious threat, and whether any attack would come from more than one power at the same time.
On 1 September 1939, Germany invaded Poland. Two days later, on 3 September, after a British ultimatum to Germany to cease military operations was ignored, Britain and France declared war on Germany. Britain's declaration of war automatically committed India, the Crown colonies, and the protectorates, but the 1931 Statute of Westminster had granted autonomy to the Dominions so each decided their course separately.
Australian Prime Minister Robert Menzies immediately joined the British declaration on 3 September, believing that it applied to all subjects of the Empire and Commonwealth. New Zealand followed suit simultaneously, at 9.30 pm on 3 September (local time), after Peter Fraser consulted the Cabinet; although as Chamberlain's broadcast was drowned by static, the Cabinet (led by Fraser as Prime Minister Michael Savage was terminally ill) delayed until the Admiralty announced to the fleet a state of war, then backdated the declaration to 9.30 pm. South Africa took three days to make its decision (on 6 September), as the Prime Minister General J. B. M. Hertzog favoured neutrality but was defeated by the pro-war vote in the Union Parliament, led by General Jan Smuts, who then replaced Hertzog. Canadian Prime Minister Mackenzie King declared support for Britain on the day of the British declaration, but also stated that it was for Parliament to make the formal declaration, which it did so one week later on 10 September. Ireland, though still a member of the Commonwealth, severed its legal ties as a dominion in 1937[10] and chose to remain neutral throughout the war.[11]
While the war was initially intended to be limited, resources were mobilized quickly, and the first shots were fired almost immediately. Just hours after the Australian declaration of war, a gun at Fort Queenscliff fired across the bows of a ship as it attempted to leave Melbourne without required clearances.[12] On 10 October 1939, an aircraft of No. 10 Squadron RAAF based in England became the first Commonwealth air force unit to go into action when it undertook a mission to Tunisia.[13] The first Canadian convoy of 15 ships bearing war goods departed Halifax just six days after the nation declared war, with two destroyers HMCS St. Laurent and HMCS Saguenay.[14] A further 26 convoys of 527 ships sailed from Canada in the first four months of the war,[15] and by 1 January 1940 Canada had landed an entire division in Britain.[16] On 13 June 1940 Canadian troops deployed to France in an attempt to secure the southern flank of the British Expeditionary Force in Belgium. As the fall of France grew imminent, Britain looked to Canada to rapidly provide additional troops to strategic locations in North America, the Atlantic and Caribbean. Following the Canadian destroyer already on station from 1939, Canada provided troops from May 1940 to assist in the defence of the British Caribbean colonies, with several companies serving throughout the war in Bermuda, Jamaica, the Bahamas and British Guiana. Canadian troops were also sent to the defence of the colony of Newfoundland, on Canada's east coast, the closest point in North America to Germany. Fearing the loss of a land link[clarification needed] to the British Isles, Canada was also requested to occupy Iceland, which it did from June 1940 to the spring of 1941, following the initial British invasion.[17]
From mid-June 1940, following the rapid German invasions and occupations of Poland, Denmark, Norway, France, Belgium, Luxembourg and the Netherlands, the British Commonwealth was the main opponent of Germany and the Axis, until the entry into the war of the Soviet Union in June 1941. During this period Australia, India, New Zealand and South Africa provided dozens of ships and several divisions for the defence of the Mediterranean, Greece, Crete, Lebanon and Egypt, where British troops were outnumbered four to one by the Italian armies in Libya and Ethiopia.[18] Canada delivered a further 2nd Canadian Infantry Division, pilots for two air squadrons, and several warships to Britain to face a possible invasion from the continent.
In December 1941, Japan launched, in quick succession, attacks on British Malaya, the United States naval base at Pearl Harbor, and Hong Kong.
Substantial financial support was provided by Canada to the UK and Commonwealth dominions, in the form of over $4 billion in aid through the Billion Dollar Gift and Mutual Aid and the War Appropriation Act. Over the course of the war over 1.6 million Canadians served in uniform (out of a prewar population of 11 million), in almost every theatre of the war, and by war's end the country had the third-largest navy and fourth-largest air force in the world.[citation needed] By the end of the war, almost a million Australians had served in the armed forces (out of a population of under 7 million), whose military units fought primarily in Europe, North Africa, and the South West Pacific.
The British Commonwealth Air Training Plan (also known as the "Empire Air Training Scheme") was established by the governments of Australia, Canada, New Zealand and the UK resulting in:
Britain borrowed everywhere it could and made heavy purchases of munitions and supplies in India and Canada during the war, as well as other parts of the Empire and neutral countries. Canada also made gifts. Britain's sterling balances around the world amounted to £3.4 billion in 1945 or the equivalent of about $US 200 billion in 2016 dollars.[c]However, Britain treated this as a long-term loan with no interest and no specified repayment date. Just when the money would be made available by London was an issue, for the British treasury was nearly empty by 1945.[20]
In June 1940, France surrendered to invading German forces, and Italy joined the war on the Axis side, causing a reversal of the Singapore strategy. Winston Churchill, who had replaced Neville Chamberlain as British Prime Minister the previous month (see Norway debate), ordered that the Middle East and the Mediterranean were of a higher priority than the Far East to defend.[21] Australia and New Zealand were told by telegram that they should turn to the United States for help in defending their homeland should Japan attack:[22]
Without the assistance of France we should not have sufficient forces to meet the combined German and Italian navies in European waters and the Japanese fleet in the Far East. In the circumstances envisaged, it is most improbable that we could send adequate reinforcements to the Far East. We should therefore have to rely on the United States of America to safeguard our interests there.[23]
Commonwealth forces played a major role in North and East Africa following Italy's entry to the war, participating in the invasion of Italian Libya and Somaliland, but were forced to retreat after Churchill diverted resources to Greece and Crete.[24]
The Battle of Singapore was fought in the South-East Asian theatre of World War II when the Japanese Empire invaded British Malaya and its stronghold of Singapore. Singapore was the major British military base in South East Asia and nicknamed the "Gibraltar of the East". The fighting in Singapore lasted from 31 January 1942 to 15 February 1942. It followed a humiliating naval engagement in December 1941 in which two British capital ships were sunk.
It resulted in the fall of Singapore to the Japanese, and the largest surrender of British-led military personnel in history.[25] About 80,000 British, Australian and Indian troops became prisoners of war, joining 50,000 taken by the Japanese in the Malayan campaign. Britain's Prime Minister Winston Churchill called the ignominious fall of Singapore to the Japanese the "worst disaster" and "largest capitulation" in British history.[26]
Africa was a large continent whose geography gave it strategic importance during the war. North Africa was the scene of a major campaign against Italy and Germany, which itself included the Tunisian Campaign, the Western Desert Campaign (resulting in tide-turning battles such as those in El Alamein and in Tobruk) and, with large-scale American support, Operation Torch. East Africa was also the scene of a major campaign against Italy which resulted in the liberation of Somalia, Eritrea and most chiefly Ethiopia which had been conquered by the Italian Empire in 1936. The vast geography provided major transportation routes linking the United States to the Middle East and Mediterranean regions. The sea route around South Africa was heavily used even though it added 40 days to voyages that had to avoid the dangerous Suez region. Lend Lease supplies to Russia often came this way. Internally, long-distance road and railroad connections facilitated the British war effort. The Union of South Africa was part of the British Commonwealth of Nations, and had been an independent self-governing country since 1931.[b] British colonies in Africa were administered by the Colonial Office, which frequently implemented a policy of indirect rule. France also held extensive possessions in Africa, but they played a much smaller role in the war, since they were largely tied to Vichy France. Portuguese holdings played a minor role. Italian holdings were the target of successful British military campaigns. The Belgian Congo, and two other Belgian colonies, were major exporters. In terms of numbers and wealth, the British controlled the richest portions of Africa, and made extensive use not only of the geography, but the manpower and the natural resources. Civilian colonial officials made a special effort to upgrade the African infrastructure, promote agriculture, integrate colonial Africa with the world economy, and recruit over a half million soldiers.[27]
Before the war, Britain had made few plans for the utilization of Africa, but it quickly set up command structures. The Army set up the West Africa Command, which recruited 200,000 soldiers. The East Africa Command was created in September 1941 to support the overstretched Middle East Command. The Southern Command was the domain of South Africa. The Royal Navy set up the South Atlantic Command based in Sierra Leone, that became one of the main convoy assembly points. The RAF Coastal Command had major submarine-hunting operations based in West Africa, while a smaller RAF command Dealt with submarines in the Indian Ocean. Ferrying aircraft from North America and Britain was the major mission of the Western Desert Air Force. In addition smaller more localized commands were set up throughout the war.[28]
Before the war, the military establishments were very small throughout British Africa, and largely consisted of white troops, who comprised only two percent of the population outside Africa. As soon as the war began, a large number of new military units were established in Africa, primarily by the Army. The new recruits were a mixture of volunteers and conscripts, who were raised in close cooperation with local tribal leaders. During the war, military pay scales far exceeded what African civilians could earn, especially when food, housing and clothing allowances are included. The largest numbers were in construction units, called Pioneer Units, consisting of over 82,000 African servicemembers. The RAF and Navy also recruited in Africa during the conflict. East Africa provided the largest number of men, over 320,000, chiefly from Kenya, Tanganyika, and Uganda. They did some fighting, a great deal of guard duty, and construction work. 80,000 served in the Middle East. Special care was taken in dealing with African servicemembers not to challenge or overturn the existing social and racial hierarchies which existed in colonial Africa; nevertheless, the soldiers were drilled and train to European standards, given strong doses of propaganda, and learnt leadership and organizational skills that proved essential to the formation of nationalistic and independence movements after 1945. There were minor episodes of discontent among Africans who fought for the British Empire, though the majority remained loyal.[29] Afrikaner nationalism played a major role in South African opposition to joining the war, but pro-German Prime Minister J. B. M. Hertzog resigned in 1939 and was replaced by Jan Smuts, a fellow Afrikaner who was an enthusiastic supporter of South Africa participating in the conflict. Under Smuts' direction, the Union Defence Force raised 340,000 volunteers (of which 190,000 were white, about one-third of all eligible white men in South Africa) to fight in the war.[30]
The Viceroy Linlithgow declared that India was at war with Germany with no consultations with Indian politicians.[32]
Serious tension erupted over American support for independence for India, a proposition Churchill vehemently rejected.[33] For years Roosevelt had encouraged Britain's disengagement from India. The American position was based on principled opposition to colonialism.[34] The politically active Indian population was deeply divided.[35] One element was so insistent on the expulsion of the British, that it sided with Germany and Japan, and formed the Indian National Army (INA) from Indian prisoners of war. It fought as part of the Japanese invasion of Burma and eastern India. There was a large pacifist element, which rallied to Gandhi's call for abstention from the war; he said that violence in every form was evil.[36] There was a high level of religious tension between the Hindu majority and the Muslims minority. For the first time the Muslim community became politically active, giving strong support for the British war effort. Over 2 million Indians volunteered for military service, including a large Muslim contingent. The British were sensitive to demands of the Muslim League, led by Muhammad Ali Jinnah, since it needed Muslim soldiers in India and Muslim support all across the Middle East. London used the religious tensions in India as a justification to continue its rule, saying it was needed to prevent religious massacres of the sort that did happen in 1947. The imperialist element in Britain was strongly represented in the Conservative party; Churchill himself had long been its leading spokesman. On the other hand, Attlee and the Labour Party favoured independence and had close ties to the Congress Party. The British cabinet sent Sir Stafford Cripps to India with a specific peace plan offering India the promise of dominion status after the war. Congress demanded independence immediately and the Cripps mission failed. Roosevelt gave support to Congress, sending his representative Louis Johnson to help negotiate some sort of independence. Churchill was outraged, refused to cooperate with Roosevelt on the issue, and threatened to resign as prime minister if Roosevelt pushed too hard. Roosevelt pulled back.[37] In 1942 when the Congress Party launched a Quit India Movement of non-violent civil disobedience, the Raj police immediately arrested tens of thousands of activists (including Gandhi), holding them for the duration. Meanwhile, wartime disruptions caused severe food shortages in eastern India; hundreds of thousands died of starvation. To this day a large Indian element blames Churchill for the Bengal famine of 1943.[38] In terms of the war effort, India became a major base for American supplies sent to China, and Lend Lease operations boosted the local economy. The 2 million Indian soldiers were a major factor in British success in the Middle East. Muslim support for the British war effort proved decisive in the British decision to partition India, forming of the new state of Pakistan.[39]
The Soviet victory on the Eastern Front and the Normandy landings brought about the end of World War II in Europe. The Allies formally accepted the unconditional surrender of the armed forces of Nazi Germany and the end of Adolf Hitler's Third Reich on 8 May 1945. The formal surrender of the occupying German forces in the Channel Islands was not until 9 May 1945. Hitler committed suicide on 30 April during the Battle of Berlin, and so the surrender of Germany was authorized by his replacement, President of Germany Karl Dönitz. The act of military surrender was signed on 7 May in Reims, France, and ratified on 8 May in Berlin, Germany.
The US-led victory over the Empire of Japan brought about the end of World War II in Asia. In the afternoon of 15 August 1945, the surrender of Japan occurred, effectively ending World War II. On this day the initial announcement of Japan's surrender was made in Japan, and because of time zone differences it was announced in the United States, Western Europe, the Americas, the Pacific Islands, and Australia/New Zealand on 14 August 1945. The signing of the surrender document occurred on 2 September 1945.
By the end of the war in August 1945, British Commonwealth forces were responsible for the civil and/or military administration of a number of non-Commonwealth territories, occupied during the war, including Eritrea, Libya, Madagascar, Iran, Iraq, Lebanon, Italian Somaliland, Syria, Thailand and portions of Germany, Austria and Japan. Most of these military administrations were handed over to old European colonial authorities or to new local authorities soon after the end of the hostilities. Commonwealth forces administered occupation zones in Japan, Germany and Austria until 1955. World War II confirmed that Britain was no longer the great power it had once been, and that it had been surpassed by the United States and Soviet Union on the world stage. Canada, Australia and New Zealand moved within the orbit of the United States. The image of imperial strength in Asia had been shattered by the Japanese attacks, and British prestige there was irreversibly damaged.[40] The price for India's entry to the war had been effectively a guarantee for independence, which came within two years of the end of the war, relieving Britain of its most populous and valuable colony. The deployment of 150,000 Africans overseas from British colonies, and the stationing of white troops in Africa itself led to revised perceptions of the Empire in Africa.[41]
In terms of actual engagement with the enemy, historians have recounted a great deal in South Asia and Southeast Asia, as summarized by Ashley Jackson:
British historians of the Second World War have not emphasized the critical role played by the Empire in terms of money, manpower and imports of food and raw materials.[43] [44] The powerful combination meant that Britain did not stand alone against Germany, it stood at the head of a great but fading empire. As Ashley Jackson has argued," The story of the British Empire's war, therefore, is one of Imperial success in contributing toward Allied victory on the one hand, and egregious Imperial failure on the other, as Britain struggled to protect people and defeat them, and failed to win the loyalty of colonial subjects."[45] The contribution in terms of soldiers numbered 2.5 million men from India, over 1 million from Canada, just under 1 million from Australia, 410,000 from South Africa, and 215,000 from New Zealand. In addition, the colonies mobilized over 500,000 uniformed personnel who serve primarily inside Africa.[46] In terms of financing, the British war budget included £2.7 billion borrowed from the Empire's Sterling Area, And eventually paid back. Canada made C$3 billion in gifts and loans on easy terms.[47]
The contributions from individual colonies, dominions, mandates, and protectorates to the war effort were extensive and global. Further information about their involvement can be found in the military histories of the individual colonies, dominions, mandates, and protectorates listed below.
Ascension Island
Basutoland Bechuanaland Protectorate
British Cameroons
Gambia
Gold Coast
Kenya
Mauritius
Nigeria
Northern Rhodesia
Nyasaland
‹The template Category link is being considered for merging.› Saint Helena
Seychelles
Sierra Leone
Somaliland
South Africa
Southern Rhodesia Anglo-Egyptian Sudan Swaziland Protectorate
Tanganyika Togoland
Uganda
Zanzibar
Bahamas
Barbados
Bermuda
Canada Cayman Islands
Falkland Islands
British Guiana
British Honduras
Jamaica
Leeward Islands Newfoundland
Trinidad and Tobago
Turks and Caicos
Windward Islands
‹The template Category link is being considered for merging.› Aden
Bahrain Protectorate
Egypt
Kuwait Protectorate Mandatory Palestine
Qatar Protectorate
Transjordan
Trucial States
Australia
Fiji
Gilbert and Ellice Islands Nauru
New Hebrides
New Zealand
Pitcairn Islands
Solomon Islands
Tonga ProtectorateThe nationalist movements used the political principles of European democracy - self-determination, one man one vote - against European colonialism. Their cause was greatly assisted by the humiliating defeats to which Britain and the other colonial powers were subjected in the Second World War.
[...] the war brought forth a new generation of African politicians who refused to accept the pace of political change laid down by the colonial governments. [...] politicians in British West Africa agitated for self-government [...]. [...] There is a paucity of material about how the Second World War facilitated the decolonization process in individual countries. However, some work has been done on Ghana, Nigeria, Kenya, Uganda, and Zambia.
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