[Edit this paragraph] Zhao Gao's birth year: There is no clear record in history books about Zhao Gao's birth year. However, based on Zhao Gao's official experience, we can make rough guesses. The biography of Li Si in "Historical Records" is quoted above. Zhao Gao said that Li Si supported Hu Hai and said:
Gao Gu was a servant of the internal officials. Fortunately, he entered the Qin Palace with his sword and pen. He was in charge of the affairs for more than 20 years and never saw him. Qin dismissed and dismissed the prime ministers, and the meritorious officials who had titles and extended to the world were all killed.
Zhao Gao talked about Li Si during the Sand Dune Coup in the 37th year of Qin Shihuang (210 BC). At this time, Zhao Gao had been working as an official in the Qin Palace for more than 20 years. According to previous estimates of more than 20 years, calculated from 21 to 29 years, Zhao Gao entered the Qin Palace between the eighth and sixteenth years of the Qin Dynasty. Taking the middle point and calculating it based on twenty-five years, we can roughly determine the time when Zhao Gao entered the Qin Palace in the twelfth year of Qin Wangzheng (235 BC).
So, how old was Zhao Gao when he entered the Qin Palace? As mentioned above, Zhao Gao's official career experience is: Shi Xuetong - Shi - Ling Shi - Shangshu Di Shi - Zhongchefu Ling - Lang Zhongling - Prime Minister. According to the historical rules cited in the "Zhangjiashan Han Bamboo Bamboo Slips" cited above, the age of entry for students studying history is seventeen. There will be a teasing examination three years later, and a unified examination three years later. Based on this speculation, Zhao Gao entered the history school at the age of seventeen, passed the Taishi examination at the age of twenty, and participated in the unified examination at the age of twenty-three. He was ranked first as a minister and served in the palace. Twelve years. In other words, in the twelfth year of Qin Wangzheng's reign, Zhao Gao was twenty-three years old. Based on this calculation, Zhao Gao was born in the forty-ninth year of King Zhao of Qin (258 BC), died in the third year of Qin II (207 BC), and lived to be fifty-two years old. Zhao Gao was appointed Lang Zhongling when he was fifty years old and became prime minister when he was fifty-one years old. A simple list is as follows:
In 258 BC, in the 49th year of King Zhao of Qin, Zhao Gaosheng was 1 year old
In 242 BC, in the 5th year of King Qin’s reign, Zhao Gaosheng was 17 years old, and the admission room was a history student
In 239 BC, in the 8th year of the Qin Dynasty, Zhao Gao was 20 years old and was admitted as a historian
In 236 BC, in the 11th year of the Qin Dynasty, Zhao Gao was 23 years old and took the first examination to become a minister of history and entered the Qin Palace.
Served as the magistrate of the CRRC before the age of 40
In 209 BC, the first year of the second dynasty, Zhao Gao was 50 years old. Prime Minister Gao 51 years old
Zhao Gao died in 207 BC 3 years old at the age of 52