HT: 1943- World War II : Tehran Conference : U.S. President Franklin D. Roosevelt , British Prime Minister Winston Churchill and Soviet Premier Joseph Stalin met in Tehran, Iran , to discuss war strategy. Tehran Conference The "Big Three" at the Tehran Conference Left to right: Joseph Stalin, Franklin D. Roosevelt and Winston Churchill. The Tehran Conference ( codenamed Eureka ) was a strategy meeting of Joseph Stalin , Franklin D. Roosevelt , and Winston Churchill from 28 November to 1 December 1943, after the Anglo-Soviet Invasion of Iran . It was held in the Soviet Union 's embassy in Tehran , Iran . It was the first of the World War II conferences of the "Big Three" Allied leaders (the Soviet Union , the United States , and the United Kingdom ). It closely followed the Cairo Conference whi...
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