As we all know, Zhang Xueliang can be a famous figure in modern history, people can say that his evaluation of it can be said to be mixed, and the relationship between Zhang Xueliang and Chiang Kai-shek is very unusual and often referred to as brothers. Later, Zhang Xueliang and Yang Hucheng launched the Xi'an Incident, and the relationship between the two was no longer so harmonious, forcing Chiang Kai-shek to no longer point the muzzle of the gun at his own people, but to cooperate with the two parties to resist Japan. Zhang Xueliang was later placed under house arrest by Chiang Kai-shek for 54 years.
Zhang Xueliang is a very important figure for Chiang Kai-shek, because Chiang Kai-shek's success or failure is related to Zhang Xueliang. Zhang Xueliang actually helped Chiang Kai-shek a lot. After the death of Zhang Xueliang's father, Zhang Zuolin. Zhang Xueliang took over the Northeast Army, and later the Northeast Army joined, and Chiang Kai-shek can be said to have a straight waist
It is recalled that during the Central Plains War, Zhang Xueliang also helped Chiang Kai-shek, and if Zhang Xueliang had not helped Chiang Kai-shek, Yan Xishan and others would not have surrendered so early. After the warlord melee, Chiang Kai-shek's strength can be said to have greatly increased. Therefore, Chiang Kai-shek has always been a close friend of Zhang Xueliang, which is enough to show that the relationship between the two is very good.
Zhang Xueliang not only helped Chiang Kai-shek a lot, but also posed a great threat to Chiang Kai-shek, and the Xi'an Incident was only a small episode for Chiang Kai-shek. Chiang Kai-shek put Zhang Xueliang under house arrest for 54 years. Until his deathbed, he told his son Zhang Xueliang that he had to guard against it. Therefore, it was not until Chiang Ching-kuo's death that Zhang Xueliang regained his freedom and later went to the United States to spend his old age.