sentences:  "28 January Incident").The Japanese population did not grow much in the following decade; though Japanese schools continued to operate in Wan Chai and Kennedy Town, by the time of the Japanese declaration of war against the British Empire and the start of the Battle of Hong Kong, the Japanese population of Hong Kong had dropped to 80.Japanese settlers often followed the Imperial Japanese Army, as in the case of Manchukuo in the aftermath of the Mukden Incident; however the 1941–1945 Japanese occupation of Hong Kong was not accompanied by an influx of Japanese civilians, with the exception of a few bureaucrats and administrators.