10 July – The Battle is considered officially to have started on this date
8 August – Battle of Convoy CW9; intense fighting over the Channel, particularly off the Isle of Wight
11 August – Battle of Portland; the RAF beats off attacks on the Portland naval base, but suffers heavy casualties
13 August – “Adler Tag”, the day on which, according to the German plans, Fighter Command should have been severely damaged
15 August – “Black Thursday” for the Luftwaffe, with severe losses
16 August – In an action over Southampton Flight Lieutenant James Nicolson of 249 Squadron earns Fighter Command’s only Victoria Cross
18 August – Fighter Command’s “Hardest Day”. The Luftwaffe launches major attacks on the airfields at Biggin Hill and Kenley Many more attacks on airfields followed during the rest of August and the first days of September
7 September – The first mass attack on London.
15 September – The last large daylight attack on London. Later this date will become Battle of Britain Day
31 October – The official end of the Battle