Duisburg was bombed a number of times by the Allies during World War II.

As an entry to the Ruhr, the city received daily warnings of bombing raids in 1943.

In the period 1939 to 1945 the Royal Air Force dropped a total of 30,507 tonnes (67 million pounds) of bombs on Duisburg.

[2] The same day the Eighth Air Force sent 1,251 heavy bombers escorted by 749 fighters to bomb targets in the area of Cologne.

B-17 Bombers from the 34th Training Wingled by Command Pilot Robert M. Simpson dropped 29 tons of bombs[10] while enduring lots of accurate flak[11]