1874年日本出兵侵略台湾的“牡丹社事件”是近代中日关系的起点,而此后发生的对琉球国的吞并则是日本侵略亚洲的嚆矢。日本至今仍不拥有对冲绳的合法主权。历史上日本对琉球国的觊觎琉球群岛位于西太平洋上,介于中国台湾岛与日本列岛之间。历史上的琉球国,在中国明清两代与中国中央王朝维持了500余年的宗藩关系,寻求宗主国给予安全上的保护,是琉球相当重要的需求。对琉球来说,近邻日本既是 Japan’s military invasion of Taiwan in 1874, “the incident of Peony”, was the starting point for the relations between China and Japan in the modern era. The subsequent annexation of the Ryukyu Kingdom was the target of Japan’s aggression against Asia. Japan still does not have the legal sovereignty over Okinawa. Historically, Japan’s Ryukyu country’s Qionglai Ryukyu Islands are located in the western Pacific, between China Taiwan Island and the Japanese archipelago. In the history, the Ryukyu state maintained the suzerainty-vassal relationship with the Central Government of China in the Ming and Qing dynasties for more than 500 years and sought the sovereign state’s security protection. This is a very important demand of Ryukyu. For Ryukyu, neighboring Japan is both