On the second night only 60 aircraft found their target and damage was far less.[lower-alpha 2][19] night of 12/13 March 1941 Hamburg, Bremen, and Berlin bombed by a total of 257[20] The night of 13/14 March 1941 51 people were killed, the highest number in a single raid to date[20] April 1941 During this month Hamburg was a main target.[20] May 1941 Hamburg was bombed several times during the month.