German bombing raids on the English city in World War II
Source (Wikipedia): Coventry Blitz

The Coventry Blitz was a series of bombing raids that took place on the British city of Coventry. The city was bombed many times during the Second World War by the German Air Force (Luftwaffe). The most devastating of these attacks occurred on the evening of 14 November 1940 and continued into the morning of 15 November.