On this day, 88 years ago, on July 13, 1937 (June 6, 1937, the Chinese and Japanese troops clashed outside Yongding Gate. On July 13, 1937, Chinese and Japanese troops clashed outside Yongding Gate. In the early morning of the same day, the staff meeting of Japan's "China Garrison Army" drafted a "Judgment on the Situation of the German China Garrison Army on July 13," which planned to "annihilate the 29th Army in one fell swoop if necessary" after the arrival of reinforcements and made troop deployment. Chiang Kai-shek called Song Zheyuan, commander of the 29th Army, saying that "the Lu case must not be resolved peacefully" and that he was determined to "use all his strength to resist the war" and demanded that the 29th Army be fully prepared for the war of resistance. However, Song Zheyuan still had illusions about the peace talks and did not follow the central government's instructions. On New Year's Day in 1936, the 29th Army paraded in Xiyuan, Peiping. The person who salutes in the picture is Commander Song Zheyuan. Comment: Song Dynasty fought heroically in Xifengkou, but in 1935, after being appointed as a second-class general of the Army, commander of the Pingjin Garrison, director of the Hebei and Cha pacification, chairman of the Hebei and Cha Government Affairs Committee and chairman of the Hebei Province Government, he still hoped for a "peaceful settlement" before the "Lugouqiao Incident" occurred. People's thoughts will constantly change as their own situation changes.