In 247 BC, this year was extremely important for the entire Warring States period. In March of this year, Wei Wuji, the Marquis of Xinling of Wei, united the armies of five countries to attack Qin and defeated Qin general Meng Ao outside He River. The allied army of five nations pursued their victory all the way to Hangu Pass, where the Qin army shut themselves in and did not come out. After this battle, Marquis Xinling became famous throughout the world.,This year, the Five Nations attacked Qin, heavily defeated the Qin army, and prevented Qin from attacking the eastern states for several years. The young King Zheng of Qin stayed in the Xianyang Palace, which his advisor Shang Yang had personally overseen the construction of.,"My poor Qing'er, you haven't even weaned yet, and now you must go to meet our ancestors with me!"。