German troops march toward the Arc de Triomphe in Paris. First all night air raid on London. British win battle of Britain. Japan joins the Rome-Berlin Axis . Italy invades Greece.
British troops arrive in Greece.
Defense manufacturing will eventually invigorate the United States economy by employing many previously unemployed workers, including an increasing number of women, coining the phrase Rosie the Riveter. Lend-Lease Bill . Germany invades Greece and Yugoslavia. Germans occupy Belgrade, Yugoslavia. Russo-Japanese neutrality pact signed.