1936年8月10日,红四方面军兵临岷县城下,对二郎山的国民党守敌发起猛烈进攻。二郎山位于甘肃岷县城南,地势险要,易守难攻,是岷县县城的天然屏障。1936年8月初,红军二、四方面军途经岷县,当时,国民党陆军新编十四师鲁大昌部驻守在这里,他凭借二郎山天险,命令驻守部队筑碉堡,修战壕,加固了山、城防御工事,妄图以岷县县城为据点,堵截红军北上。所以,当年红军北上时在这里发生了激烈战斗,红军将士强攻6个昼夜后又围攻57天,血洒二郎山。 On August 10, 1936, under the banner of Minzhong County, officers of the Red Fourth Army launched a fierce attack on the enemy defenders of the Kuomintang in Erlang Mountains. Erlang Mountain is located in Minxian County, Gansu, southwest, difficult terrain, easily defensible, Minxian county is a natural barrier. At the beginning of August 1936, the Second Army and the Fourth Army of the Red Army passed through Minxian County. At that time, the Dalachang Department, the 14th division of the Kuomintang army, was stationed here. By virtue of Erlangshan’s natural danger, he ordered the stationed troops to build bunkers, repair the trenches, and reinforce the mountain and city Fortifications, vain attempt to Minxian county as a base, blocking the Red Army north. Therefore, when the Red Army went north fierce fighting took place here, the Red Army officers and men stormed six days and nights and then siege for 57 days, blood shed Erlang Mountain.