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World War II Explained in a 5 Minute Video - WW2 in 5 minutes

Updated: Mar 24, 2022

World War II was a global war that took place from 1939 to 1945. The majority of the world's countries, including all the great powers eventually formed two opposing military alliances: the Allies and the Axis, involving more than 100 million people from more than 30 countries.

World War II was the deadliest conflict in human history, with 70 to 85 million casualties, most of whom were civilians in the Soviet Union and China. It included massacres, genocide, holocaust, bombing, starvation and disease, and the only use of nuclear weapons in war.

Japan, which aimed to dominate Asia and Pacific, was at war with China by 1937, World War II began on 1 September 1939, with the invasion of Poland by the German and subsequent declarations of war on Germany by France and the United Kingdom. From late 1939 to early 1941, in a series of campaigns and treaties, Germany conquered or controlled much of continental Europe, and formed the Axis alliance with Italy and Japan.

Under the Molotov–Ribbentrop Pact of August 1939, Germany and the Soviet Union partitioned and annexed territories of their European neighbors, Poland, Finland, Romania, and the Baltic states. Following the onset of campaigns in North Africa and East Africa, and the Fall of France in mid-1940, the war continued primarily between the European Axis powers and the British Empire. War in the Balkans, the aerial Battle of Britain, the Blitz, and the long Battle of the Atlantic followed.

On 22 June 1941, the European Axis powers launched an invasion of the Soviet Union, opening the largest land theatre of war in history. This Eastern Front trapped the Axis, most crucially the German Wehrmacht, in a battle of attrition. In December 1941, Japan launched a surprise attack on the United States as well as European colonies in the Pacific, an event Franklin D Roosevelt famously called "a date which will live in infamy". The U.S. immediately declared war against Japan, supported by one from Great Britain; the European Axis powers quickly declared war on the U.S. in solidarity with their Japanese ally. Rapid Japanese conquests over much of the Western Pacific.

The Axis advance in the Pacific halted in 1942 when Japan lost the critical Battle of Midway; later, Germany and Italy were defeated in North Africa and then, decisively, at Stalingrad in the Soviet Union. Key setbacks in 1943, which included a series of German defeats on the Eastern Front, the Allied invasions of Sicily and Italy, and Allied victories in the Pacific, cost the Axis its initiative and forced it into strategic retreat on all fronts. In 1944, the Western Allies invaded German-occupied France, while the Soviet Union regained its territorial losses and turned toward Germany and its allies. During 1944 and 1945, the Japanese suffered major reverses in mainland Asia, in Central China, South China, and Burma, while the Allies crippled the Japanese Navy and captured key Western Pacific islands.

The war in Europe concluded with an invasion of Germany by the Western Allies and the Soviet Union, culminating in the capture of Berlin by Soviet troops, the suicide of Adolf Hitler and the German unconditional surrender on 8 May 1945. Following the Potsdam Declaration by the Allies on 26 July 1945 and the refusal of Japan to surrender under its terms, the United States dropped atomic bombs on the Japanese cities of Hiroshima and Nagasaki on 6 and 9 August respectively. With an invasion of the Japanese archipelago imminent, the possibility of additional atomic bombings, the Soviet entry into the war against Japan, and its invasion of Manchuria, Japan announced its intention to surrender on 15 August 1945, cementing total victory in Asia for the Allies.

Tribunals were set up by the Allies, and war crimes trials were conducted in the wake of the war both against the Germans and against the Japanese.

World War II changed the political alignment and social structure of the world. The United Nations (UN) was established to foster international co-operation and prevent future conflicts.

The Soviet Union and the United States emerged as rival superpowers, setting the stage for the nearly half-century-long Cold War.

Reference: Wikipedia please note this license do not imply Wikipedia endores this article

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