Air Attacks on Britain begin

20th June 1940: The events of the week make grim reading for those privy to the secrets of the Weeky Resume of the 'Naval, Military and Air Situation'

The secret document circulated to a very restricted group in the British government.

Each week, the War Cabinet in Britain received the Weekly Resume of events for the preceding seven days. These reports on the 'Naval, Military and Air Situation' are a good general guide to the progress of the war, although they would soon encompass a mass of material.

Th…