Big Three is a term used in the context of World War II to refer to the main powers among the Allies of World War II, and their respective leaders: Franklin D. Roosevelt of the United States, Winston Churchill of the United Kingdom, and Joseph Stalin of the Soviet Union.

It was the first of the Allied World War II conferences involving the "Big Three" (the Soviet Union, the United States, and the United Kingdom) and took place at the Soviet embassy in Tehran just over a year after the Anglo-Soviet invasion of Iran.

In World War II, the three great Allied powers—Great Britain, the United States, and the Soviet Union—formed a Grand Alliance that was the key to victory. But the alliance partners did not share common political aims, and did not always agree on how the war should be fought.

Mar 21, 2019 · The Big Three, or the Grand Alliance, was an alliance formed in 1941 through the merging of the allied powers (the United States, the Soviet Union, and the United Kingdom) during the Second World War.

Jun 25, 2020 · With the end of World War II finally in sight, the “Big Three” Allied leaders—U.S. President Franklin D. Roosevelt, British Prime Minister Winston Churchill and Soviet Premier Joseph Stalin...

The Yalta Conference (Russian: Ялтинская конференция, romanized: Yaltinskaya konferentsiya), held 4–11 February 1945, was the World War II meeting of the heads of government of the United States, the United Kingdom and the Soviet Union to discuss the postwar reorganization of Germany and Europe.

Sep 21, 2021 · The "Big Three" conferences during the war helped the allies to coordinate with each other and against Germany and Japan. While the conferences allowed the three countries to cooperate with each other, they did not successfully iron …

Jun 12, 2020 · During World War II, the United States, Great Britain and the Soviet Union would never have been three-way allies had they not shared a mortal enemy in Adolf Hitler. The Americans were...

These countries together formed what is called the Allies of World War Two. The ‘Big Three’, as defined by Franklin D. Roosevelt in 1942, comprised of Great Britain, the United States of America, and the Soviet Union. A fourth major power towards the end of the war was China.

Jun 28, 2024 · During World War II, the Big Three – comprised of U.S. President Franklin D. Roosevelt, British Prime Minister Winston Churchill, and Soviet Premier Joseph Stalin – formed a Grand Alliance that proved crucial in the fight against the Axis powers.