Setting the scene
The Munich Agreement was signed on September 30, 1938, by Germany, Britain, France, and Italy, ceding the Sudetenland region of Czechoslovakia to Nazi Germany. Hitler had demanded the Sudetenland, where 3 million ethnic Germans lived, threatening war. British Prime Minister Neville Chamberlain, pursuing appeasement to avoid another world war, flew to Germany three times in September to negotiate. At Munich, Chamberlain and French Premier Édouard Daladier agreed to Hitler's demands without Czechoslovakia present, forcing the Czechs to accept.
What happened
Chamberlain returned to London claiming he had secured 'peace for our time,' waving the agreement. The Munich Agreement is the archetype of appeasement—sacrificing a small nation's territory to satisfy an aggressor. It dismantled Czechoslovakia's defenses, as the Sudetenland contained its border fortifications. Six months later, in March 1939, Hitler violated the agreement by occupying the rest of Czechoslovakia, proving appeasement had failed.
Why it still matters
Munich became a byword for cowardly diplomacy and the dangers of appeasing dictators. It taught the lesson, applied during the Cold War, that aggressors must be confronted early. However, historians debate whether Chamberlain had alternatives—Britain was not ready for war in 1938, and Munich bought time to rearm. The agreement also reflected war trauma from 1914-1918 and public opposition to war. Nevertheless, Munich's legacy is the belief that concessions to dictators invite further aggression, a principle invoked in debates over foreign policy ever since.
Background
Chamberlain claimed peace for our time.