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In page Wuhan:

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As a key center on the Yangtze, Wuhan was an important base for Japanese operations in China.[17] On 18 December 1944, Wuhan was bombed by 77 American bombers that set off a firestorm that destroyed much of the city.[18] For the next three days, Wuhan was bombed by the Americans, destroying all of the docks and warehouses of Wuhan, as well as the Japanese air bases in the city. The air raids killed thousands of Chinese civilians which American bombers did not know.[18] "According to casualty statistics compiled by Hankou city in 1946, more than 20,000 were killed or injured in the December bombings of 1944."[19]