Region
Japan
China
39
Japan --
39
China --
36
United States
12
United States --
12
East Asia --
8
Asia, Southeastern --
3
Asia, Southeastern
2
East Asia
2
India
2
India --
2
Korea (South) --
2
ASEAN
1
Asia
1
Asia --
1
China-United States relations
1
Europe
1
Europe --
1
Hong Kong (China) --
1
Indo-Pacific Region --
1
Japan. Rikugan. Kantogun. Butai, Dai 731 --
1
Korea
1
Korea --
1
Manchuria
1
Manchuria (China) --
1
North Korea
1
Pacific Area
1
Pacific Area --
1
Senkaku Islands --
1
Taiwan --
1
United Nations
1
Western countries
1
Western countries --
1