Changchun was also the capital of Manchukuo, a nominally independent puppet state set up by the Japanese in Manchuria, and which existed from 1931 to 1945.
... km² (1.6 mi²) of it is water. The total area is 9.81% water. Demographics As of the census of 2000, there are 3,059 people, 1,181 households, and 818 families ...