In 275 BC, Wei Ran, the Marquis of Rang, led the Qin army to attack Daliang. He did not know that a sick man in Daliang would change his fate. In 270 BC, a mysterious figure named Zhang Lu became the guest of the King of Qin. BC In 266 BC, Zhang Lu became the prime minister of Qin, and Wei Ran was expelled from Xianyang. In 260 BC, Qin and Zhao fought in Changping, and the Zhao army was trapped by 450,000 people. In 259 BC, the Qin army surrounded Handan, the capital of Zhao, and the future First Emperor Zhao Zheng was born in the besieged city. In 256 BC, Qin destroyed Zhou Dynasty. In the winter months, Liu Bang, the future emperor of the Han Dynasty, was born in Pei. In 255 BC, Zhang Lu, together with his