A three-day debate began in the House of Commons that resulted in British prime minister Neville Chamberlain being replaced by Winston Churchill (pictured).

British prime minister Neville Chamberlain resigned and formally recommended Winston Churchill as his successor.

Adolf Hitler, Benito Mussolini, Neville Chamberlain, and Édouard Daladier signed the Munich Agreement, stipulating that Czechoslovakia must cede the Sudetenland to Germany.