soldiers of the japanese army 1st Independent Mixed Brigade smiling for the camera before the invasion of peking (july 1937)

smiling

18.09.1931, Japanese inspect the damage caused by their oqn agents on the South Manchurian Railway. This "sabotage", for which the Chinese were blamed, led to the Mukden Incident.
The actual damage was not big, in fact the same day a train drove over the rails with no difficulties.
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Evillittlekenny

Sabotage on the South Manchurian Railway

japanese marines landind on a ruined town (wuhan, 1938)