一明天启六年年初,经过精心策划和准备,如日中天的努尔哈赤亲率13万满洲八旗兵,号称20万,向明朝辽东防线发起全面进攻,意图一举荡平明朝在山海关外的所有军事力量,然后问鼎北京城下。在满洲八旗兵的凌厉攻势下,各路明军 One tomorrow, at the beginning of the six-year period, after careful planning and preparation, the Nurhachu, a flourishing man, hit a rate of 130,000 men in the Eight Banners of Manchuria, known as 200,000, for launching an all-out offensive on the Liaodong line of defense of the Ming Dynasty and attempting to sow all the military forces outside the Shanhaiguan pass of the Ming Dynasty. Then aspirations Beijing under the city. Under the brutal attack by the Eight Banners in Manchuria, all the way Ming Army