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 27th August 1928, Germany, France and the United States signed the General Treaty for Renunciation of War as an Instrument of National Policy – otherwise known as the Kellogg-Briand Pact.

Henry Kissinger, Richard Nixon’s National Security Advisor, made a secret trip to China to meet with Premier Zhou Enlai.

The United States table tennis team heralded the era of ‘ping pong diplomacy’ by becoming the first official American delegation to visit China in 20 years.

On the 25th March 1957 the Treaty of Rome, which laid the foundations for the European Economic Community, was signed by Belgium, France, Italy, Luxembourg, the Netherlands and West Germany.

Germany and Russia signed the secret Reinsurance Treaty that ensured they would each remain neutral if the other went to war with a third European power.