As a historian with a focus on the 20th century, I can provide you with a comprehensive summary of World War II, which was a pivotal event in modern history that shaped the world as we know it today.

World War II Summary (English):

World War II, also known as the Second World War, was a global military conflict that lasted from 1939 to 1945. It involved a vast majority of the world's nations, including all of the great powers, organized into two opposing military alliances: the Allied powers and the Axis powers.

The Allied powers were primarily the United States, the United Kingdom, and the Soviet Union, along with China and many other countries. They fought against the Axis powers, which consisted of Germany, Italy, and Japan, along with their respective allies.

The causes of the war were complex and multifaceted. In Europe, the Treaty of Versailles, which ended World War I, imposed heavy penalties on Germany, leading to economic and political instability. This created a fertile ground for the rise of Adolf Hitler and the Nazi Party, who sought to overturn the Treaty's terms and restore Germany's power.

In Asia, Japan pursued aggressive expansionist policies, seeking to establish a new order in East Asia, which led to invasions of China and Southeast Asia.

The war is generally said to have begun on September 1, 1939, with Germany's invasion of Poland. This prompted France and the UK to declare war on Germany.
Soviet Union joined the war later after Germany violated the Molotov-Ribbentrop Pact and invaded the Soviet Union in June 1941.

The war was characterized by massive land battles, the use of air power, and naval warfare on an unprecedented scale. It also saw the introduction of new technologies such as radar and jet aircraft, and the atomic bomb, which the United States dropped on Hiroshima and Nagasaki in August 1945, leading to Japan's surrender and the end of the war.

The Holocaust, the systematic genocide of approximately six million Jewish people by the Nazi regime, was one of the most horrific atrocities of the war. It is a stark reminder of the depths of human cruelty.

The war resulted in the deaths of tens of millions of people, including soldiers and civilians, and it had profound effects on the global political landscape. It led to the end of colonialism in many parts of the world and the beginning of the Cold War between the United States and the Soviet Union.

The legacy of World War II includes the establishment of the United Nations to foster international cooperation and prevent future conflicts. It also saw the rise of the United States and the Soviet Union as superpowers, setting the stage for the ideological and political struggles of the latter half of the century.

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World War II, or the Second World War -C global military conflict from 1939 to 1945, which was fought between the Allied powers of the United States, United Kingdom, and Soviet Union against the Axis powers of Germany, Italy, and Japan, with their respective allies.read more >>