Background of the incorporation of the Senkaku Islands into Japan’s territory
Incorporation into Japan’s territory
Development of the Senkaku Islands by Tatsushiro Koga
In 1920, the Republic of China recognized the Senkaku Islands as a part of Japan’s territory.
The Senkaku Islands and the post-war order
China’s challenge against Japanese claims
China’s recognition prior to 1971
China made changes to its maps after 1971