Ninety years ago today, on July 6, 1935 (June 6, 1935 lunar calendar), China and Japan signed the Hemei Agreement. On July 6, 1935, He Yingqin and Meizu Mijiro signed the Hemei Agreement. On May 29, 1935, in order to control North China, the Japanese invading army entered the "unarmed area" of Luandong under the pretext of the Chinese authorities assisting the Sun Yongqin Department of the Northeast Volunteers, claiming that in order to violate the Tanggu Agreement, Sakai, the chief of staff of the Tianjin Garrison Army of Japan, made representations to the Kuomintang government on May 29, and dispatched the Japanese army from the Northeast to enter the customs and make threats of force. On June 9, Meizu Mijiro, the commander of the North China Garrison Army of Japan, submitted a "letter of awareness" to He Yingqin, the acting chairperson of the Peiping Army Branch of the Kuomintang government, and was limited to reply within 3 days. After secret talks between He and the Japanese side, he replied to Mejin on July 6, fully promising Japan's unreasonable demands and selling most of North China's sovereignty, commonly known as the "He Mei Agreement". Since then, the Chinese government has withdrawn its party and government organs in Hebei, withdrawn the Kuomintang Central Army and Northeast Army stationed in Hebei, replaced Chinese military and political personnel as designated by the Japanese side, and banned all anti-Japanese activities.