1930年5月,中原大地上爆发了蒋、冯、阎大战。以冯玉祥、阎锡山为一方,以蒋介石为一方,在河南摆开了战场。战前,冯玉祥与阎锡山约定,在河南北部的沁阳会师,然后集中兵力歼灭蒋军。但是,冯玉祥的作战参谋在拟订命令时,却把“沁阳”写成了“泌(bì)阳”。也巧,这两个地 May 1930, Chiang Kai-shek, Feng, Yan war broke out on the Central Plains. With Feng Yuxiang and Yan Xishan as one party and Chiang Kai-shek as one party, they laid the battlefield in Henan. Before the war, Feng Yuxiang and Yan Xishan agreed that Qinyang, a member of the northern Henan Province, would join forces and then concentrate its forces on annihilating Chiang Kai-shek. However, when Feng Yuxiang’s operational staff wrote the order, he wrote “Qinyang” as “secret”. Also clever, these two places