Attended by the “Big Three” Allied leaders, the conference saw United States President Franklin D. Roosevelt, British Prime Minister Winston Churchill and Soviet Premier Joseph Stalin meet to discuss the government of post-war Europe.

On the 1st January 1942, the Declaration by the United Nations was agreed and signed by the representatives of four major Allied nations during the Second World War.

On the 3rd September 1939, the Second World War officially began when France and the United Kingdom – together with Australia and New Zealand – declared war on Germany.

British naval ships attacked the French Navy at Mers-el-Kébir in Algeria during the Second World War.