World War II was a large fight that happened from 1939-1945. It was between two groups of countries: the Axis Powers and the Allied Powers. The Axis Powers were countries such as Germany, Italy, and Japan. The Allied Powers were countries like Great Britain, the United States, the Soviet Union, and France.

This war affected almost the whole world and was sad because so many people lost their lives. Around 70 million people died during this time.

The war started in 1939 when Germany, led by a man named Adolf Hitler, invaded Poland. Great Britain and France didn't like that, so they declared war on Germany. This was the beginning of a really hard time for a lot of people.

One of the most important things that happened during the war was the London Blitz. This was when Germany sent planes to drop bombs on cities in Great Britain, especially London.

They wanted to scare people and make them give up. But even though many buildings were destroyed and lots of people were hurt, the British people stayed strong and didn't give in.

Eventually, the Allied Powers started winning. Germany surrendered, or gave up, in May 1945. This meant the fighting in Europe was over. But the war was still going on in another part of the world, called the Pacific.

In the Pacific, the United States and its friends fought against Japan for a long time. The fighting got tough, but then something big happened. The United States dropped two very powerful bombs on two cities in Japan: Hiroshima and Nagasaki. This made Japan realize they couldn't win, so they surrendered in September 1945. This was the end of World War II.

Source: WW II
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