On 28 January 1932 , Japanese forces invaded Shanghai and the Chinese resisted , fighting to a standstill ; a ceasefire was brokered in May . The Battle of Shanghai in 1937 resulted in the occupation of the Chinese administered parts of Shanghai outside of the International Settlement and the French Concession . People who stayed in the occupied city of Shanghai saw no end to their suffering . They experienced death , hunger , destruction , and oppression on daily basis . The foreign concessions were ultimately occupied by the Japanese on 8 December 1941 and remained occupied until Japan 's surrender in 1945 , during which time many war crimes were committed
war crimes
Japanese war crimes
Shanghai