The Allied Powers (or Allies of World War II) were a group of nations that fought against the Axis countries in World War II. They were successful in defeating the Axis nations. The war ended in 1945. The group of nations was later named the United Nations by U.S. President Franklin Roosevelt. The main great powers, sometimes called "The Big Three", were the United Kingdom, the United States, and the Soviet Union. Sometimes China was added to the list, making a "Big Four".
The Big Three:
United Kingdom (September 1939)
United States (from December 1941)
Allied combatants with governments-in-exile:
Other Allied combatant states:
Former Axis powers