94 years ago today, on September 21, 1931 (August 10, 1931 in the lunar calendar), the Nanjing government sued Japan with the League of Nations. China's representative delivered a speech in the League of Nations On September 21, 1931, Shi Zhaoji, the representative of Nanjing National Government, formally submitted a declaration to the League of Nations. According to Article 11 of the League of Nations Covenant, the declaration accuses Japan of invading Chinese territory and destroying the League of Nations Covenant; The League of Nations is required to take corresponding actions quickly to prevent the expansion of this situation and restore the pre-incident state, and Japan is required to compensate for the losses. On the 22nd, the Council of the League of Nations discussed the statement of the Chinese representative. Japanese representative Kenyoshi Yoshizawa falsely claimed that the Chinese army was responsible for this incident. And asked the council to postpone the discussion. The Council authorized the president, Spanish Foreign Minister Lele, to put forward an "urgent warning" with the same content to the Chinese and Japanese governments, advising both sides to avoid the expansion of the situation and immediately withdraw their troops through consultation between the two countries. At the same time, it was decided that the League of Nations would send an investigation team composed of officials from various countries in China to Shenyang to investigate the truth of the incident, which was opposed by Japanese representatives.