On the night of 14 November 1940 Coventry was attacked by over 500 German bombers. There was a firestorm in the centre, casualties were high and the 'all clear' signal to the population wasn't given till 9 am the following day. Damage to buildings included thr destruction of the medieval cathedral. I think it's fair to say that the raid has taken on a symbolic significance beyond its actual importance. Joncey 60,000 out of 75,000 buildings were badly damaged. Tank and aicraft engine production was severely compromised.