On this day In 1944 a flight of Mosquitoes took off from Hunsdon airfield in Herfordshire for a raid on Amiens prison in France where French resistance and political prisoners were being held,some awaiting execution,it was a precision attack with the walls being breached and a number of captives escaping although many were later caught but the raid did destroy a lot of German documentaion on resistants and other prisoners.
There is some British Pathe film of the raid on youtube and a lot has been written about the raid if you care to search,i will raise a glass tommorow night to you gentlemen.