English: With President Chiang Kai-shek of the Republic of China, the U.S. President Dwight D. Eisenhower waved hands to Taiwanese people during his visit to Taipei, Taiwan in June 1960. The two Presidents issued a Joint Communique reaffirming solidarity, stating that, according to the 1954 Sino-American Mutual Defense Treaty, Kinmen and Matsu islands were closely related to the defense of Taiwan, and condemning the Communist China's artillery bombardment against Kinmen. Chiang was the Supreme Commander of Allied forces in the China war zone while Eisenhower was the Supreme Allied Commander Europe. Chiang met President Franklin D. Roosevelt and British Prime Minister Winston Churchill at the Cairo Conference in 1943 while Eisenhower also attended the meeting.