民国九年,以曹锟为首的直系军队联合奉系张作霖,在京汉铁路沿线与段祺瑞为首的皖系军队展开激战,结果皖系大败。
英语 war of 1920 between Northern Warlords, in which the Zhili faction beat the Anhui faction and took over the Beijing government