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Portal:World War II

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The World War II Portal

Clockwise from top left: Commonwealth troops in the desert; Chinese civilians being buried alive by Japanese soldiers; Soviet forces during a winter offensive; Carrier-borne Japanese planes readying for take off; Soviet troops fighting in Berlin; A German submarine under attack.

World War II, or the Second World War, was a global military conflict. It began as the joining of what had initially been two separate conflicts, with the first beginning in Asia in 1937 (the Second Sino-Japanese War) and the other beginning in Europe in 1939 (the German and Soviet invasion of Poland).

The war split the majority of the world's nations into two opposing military alliances: the Allies and the Axis. It involved the mobilization of over 100 million military personnel, making it the most widespread war in history, and placed the participants in a state of "total war", which erased the distinction between civil and military resources and resulted in the complete activation of a nation's economic, industrial, and scientific capabilities for the purposes of the war effort. Over 70 million people, the majority of them civilians, were killed, making it the deadliest conflict in human history.

The Allies won the war, and as a result, the Soviet Union and the United States emerged as the world's leading superpowers. This set the stage for the Cold War, which lasted for the next 45 years. The United Nations was formed in the hope of preventing another such conflict. The self-determination spawned by the war accelerated decolonization movements in Asia and Africa, while Europe itself began moving toward integration.

Featured article

The ensign of the Imperial Japanese Navy and Japan Maritime Self-Defense Force.
The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes. It was the third largest navy in the world by 1920 behind the United States Navy and Royal Navy. It was supported by the Imperial Japanese Navy Air Service for aircraft and airstrike operation from the fleet. It was a major force in the Pacific War.The origins of the Imperial Japanese Navy trace back to early interactions with nations on the Asian continent, beginning in the early medieval period and reaching a peak of activity during the 16th and 17th centuries at a time of cultural exchange with European powers during the Age of Discovery. After two centuries of stagnation during the country's ensuing seclusion policy under the shoguns of the Edo period, Japan's navy was comparatively backward when the country was forced open to trade by American intervention in 1854.


Selected equipment

The plugboard, keyboard, lamps, and finger-wheels of the rotors emerging from the inner lid of a three-rotor German military Enigma machine
The Enigma machine was a cipher machine used to encrypt and decrypt secret messages. More precisely, Enigma was a family of related electro-mechanical rotor machines, comprising a variety of different models.The Enigma was used commercially from the early 1920s on, and was also adopted by the military and governmental services of a number of nations—most famously by Nazi Germany before and during World War II.The German military model, the Wehrmacht Enigma, is the version most commonly discussed.The machine has gained notoriety because Allied cryptologists were able to decrypt a large number of messages that had been enciphered on the machine. Decryption was made possible in 1932 by Polish cryptographers Marian Rejewski, Jerzy Różycki and Henryk Zygalski from Cipher Bureau. In mid-1939 reconstruction and decryption methods were delivered from Poland to Britain and France. The intelligence gained through this source, codenamed ULTRA, was a significant aid to the Allied war effort.


Selected battle

USS Chicago low in the water on the morning of January 30, 1943, from torpedo damage inflicted the night before
The Battle of Rennell Island (Japanese: レンネル島沖海戦) took place on January 29 – January 30, 1943, and was the last major naval engagement between the United States Navy and the Imperial Japanese Navy during the lengthy Guadalcanal campaign in the Solomon Islands campaign during World War II. The battle took place in the South Pacific between Rennell Island and Guadalcanal in the southern Solomon Islands. In the battle, Japanese naval land-based torpedo bombers, seeking to provide protection for the impending evacuation of Japanese forces from Guadalcanal, made several attacks over two days on United States' warships operating as a task force south of Guadalcanal. In addition to approaching Guadalcanal with the objective of engaging any Japanese ships that might come into range, the U.S. task force was protecting an Allied transport ship convoy that was carrying replacement troops to Guadalcanal.As a result of the Japanese air attacks on the task force, one U.S. heavy cruiser was sunk, a destroyer was heavily damaged, and the rest of the U.S. task force was forced to retreat from the southern Solomons area.


Selected picture

World War II aircraft worker
Credit: David Bransby, OWI
A 1942 aircraft worker at the Vega Aircraft Corporation in Burbank, California. Women on the United States home front during World War II took on many manufacturing jobs in factories, producing munitions and materiel for the battlefront. This photo was one of a series intended to chronicle many aspects of war mobilization, including factories, railroads, aviation training and women employees.

Selected biography

Franklin D. Roosevelt
Franklin Delano Roosevelt often referred to by his initials FDR, was the thirty-second President of the United States. Elected to four terms in office, he served from 1933 to 1945 and is the only U.S. president to have served more than two terms. He was a central figure of the 20th century during a time of worldwide economic crisis and world war. During the Great Depression of the 1930s, Roosevelt created the New Deal to provide relief for the unemployed, recovery of the economy, and reform of the economic and banking systems. Although recovery of the economy was incomplete until almost 1940, the programs he initiated such as the Federal Deposit Insurance Corporation (FDIC), Tennessee Valley Authority (TVA), and the United States Securities and Exchange Commission (SEC) continue to have instrumental roles in the nation's commerce. One of his most important legacies is the Social Security system. As Britain warred with Nazi Germany, Roosevelt provided Lend-Lease aid to Winston Churchill and the British war effort before America's entry into World War II in December, 1941.


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Selected quote

"This morning the British Ambassador in Berlin handed the German Government a final note, stating that, unless we heard from them by 11 o'clock that they were prepared at once to withdraw their troops from Poland, a state of war would exist between us. I have to tell you now that no such undertaking has been received and that consequently this country is at war with Germany."
Neville Chamberlain, 3 September 1939

Topics

World War II
Theatres Main events Specific articles Participants

Prelude
Causes
in Europe
in Asia

Main theatres
Europe
Eastern Europe
China
Mediterranean, Middle East and Africa
Asia and the Pacific
Atlantic

General timeline
Timeline

1939
Invasion of Poland
Winter War

1940
Invasion of Denmark/Norway
Battle of France
Battle of Britain

1941
Invasion of the Soviet Union
Battle of Moscow
Attack on Pearl Harbor

1942
Battle of Midway
Battle of Stalingrad
Second Battle of El Alamein

1943
Battle of Kursk
Guadalcanal campaign
Invasion of Italy

1944
Battle of Normandy
Operation Bagration
Battle of Leyte Gulf
Operation Market Garden
Battle of the Bulge

1945
Battle of Iwo Jima
Battle of Okinawa
Battle of Berlin
End in Europe
Hiroshima and Nagasaki
Surrender of Japan

more...

Blitzkrieg
Cryptography
Equipment
Home Front
Military engagements
Production
Resistance
Technology

Civilian impact and atrocities
Nanking Massacre
The Holocaust
Siege of Leningrad
Bataan Death March
Dutch famine of 1944
Bengal famine of 1943
Hiroshima and Nagasaki
Unit 731
Strategic bombings
Comfort women
Allied war crimes
German war crimes
Japanese war crimes

Aftermath
Effects
Casualties
Expulsion of Germans
Denazification
Cold War
Universal Declaration of Human Rights
Decline of the British Empire

The Allies
Australia Australia
Belgium Belgium
Brazil Brazil
British Raj British India
Canada Canada
Czechoslovakia Czechoslovakia
Kingdom of Egypt Egypt
El Salvador El Salvador
French Third Republic France (after June 16, 1940: Free France Free France)
Kingdom of Greece Greece
Netherlands Netherlands
Dominion of New Zealand New Zealand
Norway Norway
Commonwealth of the Philippines Philippines
Poland Poland
Republic of China (1912–1949) Republic of China
Union of South Africa South Africa
Soviet Union Soviet Union
United Kingdom United Kingdom
United States United States
Kingdom of Yugoslavia Yugoslavia

more...

The Axis
Kingdom of Bulgaria Bulgaria
 Croatia
Empire of Japan Japan
Finland Finland
 Vichy France
Kingdom of Hungary (1920–1946) Hungary
Kingdom of Italy Italy
Nazi Germany Germany
Kingdom of Romania Romania
Thailand Thailand
 Slovakia

more...


Things you can do

From the World War II task force of the Military history WikiProject:

Attention needed
...to referencing and citation  • ...to coverage and accuracy  • ...to structure  • ...to grammar  • ...to supporting materials 
Popular pages
Full list
Cleanup needed
Battle of Kiev (1943)Battle of Ko ChangColditz CastleSpiritual national defenceTuskegee Airmen
Requested articles 
Battle of Uhtua-KiestinkiBattles of Repola-RukajärviBattle of SiiranmäkiBattle of ŁuckBattle of RówneBattle of Włodzimierz WołyńskiBattle of LubartówBattle of MiednikiBattle of JodłaFrancis BlanchainShinshou DraengerChrister Lyst HansenHolocaust slave labor litigation (draft) • Ove KampmanLeague for Combat PolicyJulien MelineOperation BigotOperation MittelmeerOperation RichardOtto ProgramMartin PoppelRoehm's AvengersDorothy TartierePoul BruunRaoul BoulangerSerge Asher-RavanelBattle of West Ukraine (1941)Battle of ZunyiFree Dutch Forces (draft, please assist) • Liberation of Denmark (currently redirect) • Operation Vado (currently redirect) • Finnish 19th Division (Continuation War)Finnish 11th Division (Continuation War)Finnish VII Corps (Continuation War)Finnish VI Corps (Continuation War)Finnish IV Corps (Continuation War)Finnish Cavalry Brigade1st Jaeger Brigade2nd Jaeger BrigadeFinnish 1st Division (Continuation War)168th Rifle Division (Soviet Union)71st Rifle Division (Soviet Union)Group OinonenA.S. KsenofontovSiege of Tobruk (June 1942)5th Guards Fighter Aviation Regiment (ru) • Novorossiysk-Taman operation (ru) • 1943 Novorossiysk operation (ru) • 1943 Aerial Battles over Kuban (ru) • Battle of Rostov (1943) (ru) • Olshansky amphibious landing (ru) • Nalchik-Ordzhonikidzevskaya operation (ru) • Bukrinsky landing (ru) • Cape Tarhan Landing (ru) • 1942 Sudak Landing (ru) ] • Turning point of World War II
Expansion needed
Princess Irene BrigadeBattle of Bay of ViipuriDemilitarisation; Martha DesrumeauxMochitsura HashimotoOperation CascadeOperation Tan No. 2Burma Area ArmyBattle of CourlandBattle of Munda PointBattle of Voronezh (1943)Drive on Munda PointFirst Battle of KharkovRace to BerlinMarie FourcadeVictor Strydonck de BurkelDonald BlakesleeOperation NordwindBattle of Skerki BankMichael Sinclair (soldier)Battle of MaastrichtBattle of ZeelandLandings on RendovaNew Georgia counterattackOperation WaterfallPetsamo–Kirkenes OffensiveRaid on ChoiseulAmerican-British-Dutch-Australian CommandBattle of Viru HarborBattle of Wickham AnchorageWestern New Guinea campaign (and the individual battles of the campaign) • Operation Blockbustermore
Images needed
Twelfth Army (United Kingdom)4th Airborne Division (United Kingdom)5th Airborne Division (United Kingdom)XVI Corps (United Kingdom)Battle of DakarBattle of the Lys (1940)Battle of ZeelandBattle of the GrebbebergFranco-Thai WarBattle of Ko ChangSwitzerland during the World WarsBerthe FraserWestern Allied invasion of Germany
Merging needed
Add an article here!
Citations needed
Battle of Borneo (1941–42)Battle of ImphalGarderegiment Fuseliers Prinses IreneJapanese invasion of French IndochinaJapanese invasion of ThailandLuxembourg in World War IINew Georgia CampaignOperation CartwheelOperation ChastiseRoyal Netherlands Motorized Infantry BrigadeSolomon Islands campaignBattle of Radom
Translation needed 
pt:Tobrouk (militar)

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