Battle of Britain By mike wales, pd 3 HUSH Jul 16, 1940 Hitler began preperations for attack on Britain although he agreed with Raeder, Hitler ordered the preparation of a plan to invade Britain, He also hoped that news of the preparations would frighten Britain into peace negotiations Sep 15, 1940 Battle of Britain day when Germany first invades Britain Sep 30, 1940 abandoned the dayight bombing campaign Period: Sep 30, 1940 to May 15, 1941 nighttime bombing campaign