Hitler meets with the leaders of Britain, France, and Italy in Munich (Germany). Fearing another world war, the leaders try to appease Hitler by allowing him to annex the Sudetenland, a part of Czechoslovakia populated by ethnic Germans.
Adolf Hitler greets Neville Chamberlain upon the British Prime Minister's arrival in Munich. September 29, 1938. (United States Holocaust Memorial Museum, courtesy of National Archives and Records Administration, College Park)