2. The Romance of the Three Kingdoms, based on Su Shi's Poem on the Red Wall, advocates that Cao Cao recite this poem "Drinking and Writing Songs" before the Chibi War, and the time is set at the end of the 13th year of Jian 'an (2008).
3. The theory of seeking talents comes from Zhang Keli's Chronicle of Three Caos: "Expressing the eager desire to recruit talents, at the same time as the order of seeking talents." The time was in the fifteenth year of Jian 'an (2 10).
4. The two sides sang in harmony, saying that this idea originated from Wan, and thought that this poem was written in the first year of Jian 'an in Han Dynasty (196). When Cao Cao moved to Xudu, the ancestor of Han Dynasty, Cao Cao sang in harmony with his confidant.
5. Eat, drink and be merry, but the specific time has not been verified. This sentence is Shen Deqian's "The Source of Ancient Poetry" Volume 5: "A Short Song". It is also fun to say it in time.
6. Wang Qing presided over the Umaru Khan banquet, which was written in May of the 21st year of Jian 'an (2 16).
7. Author's brief introduction: Cao Cao (155-220 Gengzi in the first month), whose real name is Meng De, the fine print Azang, a native of Peiguoqiao (now Bozhou City, Anhui Province), Han nationality, a famous politician, strategist, writer and poet at the end of the Eastern Han Dynasty, and the founder of Cao Wei's regime, conquered all directions in the name of Emperor Wu of the Han Dynasty and wiped out two domestic dollars. The northern part of China was unified, and a series of policies were implemented to restore economic production and social order, which laid the foundation for the establishment of Cao Wei. Cao Cao was the prime minister of the Eastern Han Dynasty before his death, then Wang Wei, and after his death, posthumous title became King Wu. After his son Cao Pi proclaimed himself emperor, he was respectfully called Wei Wudi. Cao Cao read widely, especially loved the art of war, and once copied the strategies of various ancient art of war.