World War 2 Facts

Information and Facts on the Great War

World War 2 Facts for Kids

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World War 2 was the deadliest conflict in modern history. The majority of the developed world was involved in the conflict to some degree, with close to 2 billion people being involved in the conflict and more than 24 million killed on both sides. The following World War 2 facts for kids can be used to help introduce the conflict which has shaped the world we know today. Although all of the facts are not fun or deal with, they are intended to help the teacher or parent help introduce World War 2 to the children of today.

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World War 2 Facts

1 – World War 2 began on September 1st, 1939 and continued until September 2nd, 1945.

2 – The United States became actively involved in the war after the sneak attack on Pearl Harbor on December 7th, 1941 by the Japanese.

3 – The war was fought between the Axis Powers led by Germany and the Allies led by Great Britian, United States, and joining them in 1941, the U.S.S.R.

4 – On January 1st, 1942 the Allied Powers were formally declared by the United Nations. These nations consisted of: Australia, Belgium, British India, Canada, Republic of China, Costa Rica, Cuba, Czechoslovakia, Dominican Republic, El Salvador, Greece, Guatemala, Haiti, Honduras, Luxembourg, Netherlands, New Zealand, Nicaragua, Norway, Panama, Poland, South Africa, Soviet Union, United Kingdom, United States of America, and Yugoslavia. Brazil, Mexico, and the Pan American Union countries would join the Allies starting in 1942 and later into the war.

5 – The Axis Powers consisted of: Germany, Japan (at war 1937–45), Italy (1940–43),  Hungary (1941–45),  Romania (1941–44), and Bulgaria (1941–44). Co-belligerents included Finland (1941–44), Iraq (1941), and Thailand (1942–45). There were also a number of puppet states and minor participants.

6 – World War 2 is also known as The Great War, World War II, and the Second World War.


Surrender of Japan, Tokyo Bay, 2 September 1945: Japanese representatives on board USS Missouri (BB-63) during the surrender ceremonies.
Standing in front are:
Foreign Minister Mamoru Shigemitsu (wearing top hat) and General Yoshijiro Umezu, Chief of the Army General Staff.
Behind them are three representatives each of the Foreign Ministry, the Army and the Navy. They include, in middle row, left to right:
Major General Yatsuji Nagai, Army;
Katsuo Okazaki, Foreign Ministry;
Rear Admiral Tadatoshi Tomioka, Navy;
Toshikazu Kase, Foreign Ministry, and
Lieutenant General Suichi Miyakazi, Army.
In the back row, left to right (not all are visible):
Rear Admiral Ichiro Yokoyama, Navy;
Saburo Ota, Foreign Ministry;
Katsuo Shiba, Navy, and
Kaziyi Sugita, Army.
(Identities those in second and third rows are from an annotated photograph in Naval Historical Center files.)

7 – One of the major causes of World War 2 was that the League of Nations which was created after World War 1 was unable to intervene diplomatically to prevent the onset of the war combined with the naked aggression of Hitler-let Germany.

8 – The primary leaders of the Allied Powers during World War 2 were Franklin D. Roosevelt, Winston Churchill, and Joseph Stallin.

9 – The primary leaders of the Axis League were Adolf Hitler, Benito Mussolini, and Emperor Hirohito.

10 – Most estimates place the total number of deaths during World War 2 at 60 million people. 20 million of these were military and the remainder civilians. Many deaths were not officially recorded during the war.

11 – The Holocaust saw approximately six million Jews killed along with an additional five million Slas, Roma, and other ethnic and minority groups. In China, approximately 7.5 million civilians died during the Japanese occupation.

12 – Germany surrendered to the Allies on May 8th, 1945 which is referred to as VE Day or Victory in Europe Day.

13 – Atomic bombs were dropped on Niroshima and Nagasaki, Japan on August 6th and 9th, 1945 respectfully at the order of U.S. President Harry Truman.

14 – Japan surrenders to the Allies on August 15th, 1945 which becomes known as V-J Day or Victory in Japan Day. *Note, the United States celebrates V-J Day on September 2nd when the Japanese surrender was officially signed

15 – On September 2nd, 1945 Japan unconditionally surrenders onboard the U.S.S. Missouri in Tokyo Bay formally ending World War 2.

World War 2 Video

Additional Reading on World War 2

If you’re looking for a comprehensive timeline of the events of World War 2, then checkout: World War 2 Timeline

Information on how the war started: When Did World War 2 Start?

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