1940: World War II: The Hardest Day air battle, part of the Battle of Britain, takes place. At that point, it is the largest aerial engagement in history with heavy losses sustained on both sides.
1933: The Volksempfänger is first presented to the German public at a radio exhibition; the presiding Nazi Minister of Propaganda, Joseph Goebbels, delivers an accompanying speech heralding the radio as the 'eighth great power'.
Quote of the Day
Loose lips sink ships.
— U.S. Office of War Information
Invasion of Poland
Germany invades Poland, marking the beginning of WWII.