He led a guerrilla unit against the Japanese after they occupied Manchuria in September 1931.

In September 1931, Japan invaded and occupied Manchuria.

Japan occupies Manchuria after the Mukden Incident (September 18).

Japan stages the Mukden Incident as a pretext to occupy Manchuria.

Russia had occupied Manchuria at this time.

In occupying Manchuria the Guandong Army effectively acted as an autonomous political decision-making body.

Between 1940 and 1942 he made several visits to Manchukuo (Japanese occupied Manchuria) to instruct his martial art.

In the beginning of the Shōwa period, the Japanese wanted to occupy Manchuria for its resources.

In 1931 Japan occupied Manchuria in northern China.

Japan invaded and occupied Manchuria.