Germany invades Denmark and Norway. President, acting under the Neutrality Act of 1939, extends maritime danger zone to include Scandinavian area. Greenland asks for United States protection. President orders Pacific Fleet to remain in Hawaiian waters indefinitely. President orders application of Neutrality Act to Belgium, the Netherlands, and Luxembourg.
British troops land in Iceland.
Germany invades the Netherlands, Belgium, and Luxembourg. The Netherlands and Belgium declare war on Germany. British and French forces land in Curacao and Aruba, Netherlands West Indies. Japanese Foreign Minister demands maintenance of political and economic status quo in Netherlands East Indies. German troops break through French lines at Sedan, France, and move toward English Channel.