There have been at least three known wars that have been fought between China and Japan. The most well known occurred from 1868-1931 and then again in 1937.
The Sea of Japan is between Japan and North Korea.
Japan, China, and Ethiopia are three countries where non-European languages are spoken. In Japan, the language spoken is Japanese; in China, it is Mandarin; and in Ethiopia, Amharic is spoken.
Taiwan, Korea, And Northeastern china
Taiwan, Japan, Indonesia
China, Japan, and Korea are three important Asian nations.
Three seas: The Philippine Sea The East China Sea The Sea of Japan
Japan, China, South Korea, North Korea, Vietnam, Laos.
russia, north Korea and china
Australia ; Britain ; China ;
China, Mongolia, and Japan
All three countries are in Asia.