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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.

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Detail from a pillbox embrasure.
British anti-invasion preparations of World War II entailed a large-scale division of military and civilian mobilization in response to the threat of invasion by German armed forces in 1940 and 1941. The army needed to recover from the defeat of the British Expeditionary Force in France, and 1.5 million men were enrolled as part-time soldiers in the Home Guard. The rapid construction of field fortifications transformed much of Britain, especially southern England, into a prepared battlefield. Short of heavy weapons and equipment, the British had to make the best use of whatever was available.The German invasion plan, Operation Sea Lion, was never taken beyond the preliminary assembly of forces. Today, little remains of Britain's anti-invasion preparations. Only reinforced concrete structures such as pillboxes are common, and until recently, even these have been unappreciated as historical monuments.On 1 September 1939, Germany invaded Poland; two days later, Britain and France declared war on Germany, launching World War II. Within three weeks, the Red Army of the Soviet Union invaded the eastern regions of Poland in fulfillment of the secret Molotov–Ribbentrop Pact with Germany.


Selected equipment

A model depicting what the Montana class would have looked like had they been completed
The Montana-class battleships of the United States Navy were planned as successors to the Iowa class, being slower but larger, better armored, and having superior firepower. Five were approved for construction during World War II, but changes in wartime building priorities resulted in their cancellation in favor of the Essex-class aircraft carriers before any Montana-class keels were laid. With an intended armament of twelve 16-inch (410 mm) guns and a greater anti-aircraft capability than the preceding Iowa class, the Montanas would have been the largest and the most heavily-armed battleships put to sea by the United States. They would have been the only US Navy battleship class to have come close to rivaling the Empire of Japan's Yamato-class battleships in terms of armor, weaponry, and displacement. Preliminary design work for the Montanas began before the US entry into World War II. The first two vessels were approved by Congress in 1939 following the passage of the Second Vinson Act. The Japanese attack on Pearl Harbor delayed construction of the Montana class.


Selected battle

Nazi Germany's attack on Greece
The Battle of Greece (also known as Operation Marita, was a World War II battle that occurred on the Greek mainland and in southern Albania. The battle was fought between the Allied (Greece and the British Commonwealth) and Axis (Nazi Germany, Fascist Italy and Bulgaria) forces. With the Battle of Crete and several naval actions, the Battle of Greece is considered part of the wider Aegean component of the Balkan Campaign of World War II. The Battle of Greece is generally regarded as a continuation of the Greco-Italian War, which began when Italian troops invaded Greece on October 28, 1940. Within weeks the Italians were driven from Greece and Greek forces pushed on to occupy much of southern Albania. In March 1941, a major Italian counterattack failed, and Germany was forced to come to the aid of its ally. Operation Marita began on April 6, 1941, with German troops invading Greece through Bulgaria in an effort to secure its southern flank. The combined Greek and British forces fought back with great tenacity, but were vastly outnumbered and outgunned, and finally collapsed. Athens fell on April 27.


Selected picture

Bougainville campaign
Credit: United States Army
U.S. Army soldiers during the Bougainville campaign (in the Solomon Islands) during World War II. Japanese forces tried infiltrating the U.S. lines at night; at dawn, the U.S. soldiers would clear them out. In this picture, infantrymen are advancing in the cover of an M4 Sherman tank.

Selected biography

Harry S. Truman
Harry S. Truman was the thirty-third President of the United States (1945–1953). As vice president, he succeeded Franklin D. Roosevelt, who died less than three months after he began his fourth term.During World War I Truman served as an artillery officer. After the war he became part of the political machine of Tom Pendergast and was elected a county judge in Missouri and eventually a United States Senator. After he gained national prominence as head of the wartime Truman Committee, Truman replaced vice president Henry A. Wallace as Roosevelt's running mate in 1944.As president, Truman faced challenge after challenge in domestic affairs. The disorderly reconversion of the economy of the United States was marked by severe shortages, numerous strikes, and the passage of the Taft-Hartley Act over his veto. He confounded all predictions to win re-election in 1948, largely due to his famous Whistle Stop Tour of rural America. After his re-election he was able to pass only one of the proposals in his Fair Deal program.


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"Yesterday, December 7, 1941 — a date which will live in infamy — the United States of America was suddenly and deliberately attacked by naval and air forces of the Empire of Japan."
Franklin Delano Roosevelt, 8 December 1941

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
 Independent State of 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
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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 Fraser
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 campaign
Translation needed 
pt:Tobrouk (militar)

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