80 Years Ago—Sept. 17, 1941: US begins escorting British convoys from Newfoundland to Iceland, violating neutrality: TU 4.1.1 of five destroyers begins escorting Convoy HX-150.
Germany begins general deportation of German Jews.
At a conference in Copenhagen, German physicist Werner Heisenberg informs Danish physicist Niels Bohr that Germany is working on atomic weapons.
During exercises in Louisiana, US Army first drops paratroopers, using DC-3s.