World War 2 was a global war involving many countries from Europe and Asia. The United States joined the war later on. The war lasted from 1939 to 1945. The two alliances composed of the Allies and the Axis Powers.
Major Events of World War 2 Timeline
The Allies
Comprised mainly of the United States, USSR, United Kingdom, France, China, and Denmark.
The Axis Powers
Comprised of Germany, Italy, and Japan and many countries that depended on them.