"Who discovered electromagnetic induction?" Sima Yan, the first person in the Three Kingdoms to pacify troubled times, unified the whole country and created a prosperous time of Taikang.

At the end of the Eastern Han Dynasty, the court was fatuous and corrupt, and the power struggle among the ruling class, eunuchs and bureaucrats became increasingly fierce. In A.D. 189, Emperor Han Ling died, and Liu Bian ascended the throne, which was known as Shaodi in history. At this time, Yuan Shao, a captain of Zhong Jun, took the opportunity to arise and killed more than 2,000 eunuchs, ending the situation that eunuchs acted arbitrarily for decades. But it also caused chaos in the world and counties were out of control. After decades of annexation war, Wei, Shu and Wu finally split. Cao Cao, Wei Wudi, overlord of the Central Plains; Emperor Zhao Liedi ruled Liu Bei in the southwest; Sun Quan, Emperor Wu, split Jiangdong. The years of melee between the three countries have caused great harm to the people, including the death of immigrants, the collapse of villages and the greatly reduced number of registered permanent residence. Record: "The household registration in the world reduces consumption by ten, and reduces consumption by one." In some places, the population is only a few tenths of the original population. A large number of people died and moved, and hundreds of miles of land in the country were completely abandoned and uncultivated. Even near Luoyang, the prosperous capital in the past, wormwood is everywhere. Cao Cao has a poem saying: "The bones are bare, and there is no cock crow for a thousand miles." It is a true portrayal of this desolate scene.

Sima Yan's grandfather Sima Yi was born in Wenxian County, Hanoi County. Many of his ancestors were famous ministers of the Western Han Dynasty, and later became the master book in charge of all affairs in the prime minister's house of Cao Cao. Sima Yi has both foresight and wisdom. After Cao Cao's death, Sima Yi served as the chief minister of Wei Wendi Cao Pi and Wei Mingdi Cao Rui. He was in charge of the military, commanded Wei Jun, and fought Wu Dong and Shu Han. Zhuge Liang's ingenuity in Shu Han is amazing. When he met Sima Yi, he had some scruples. Sun Quan of Wu Dong is cautious about him. He once said: "Sima Yi is good at fighting, which can be described as miraculous and invincible."

In 239 AD, Wei Mingdi died and 8-year-old Cao Fang acceded to the throne. Sima Yi and Cao Shuang helped the young master. Knowing that Sima Yi in Cao Shuangli was a hundred times stronger than himself and posed too great a threat to himself, he decided to get rid of Sima Yi. When Sima Yi saw Cao Shuang's eight-year auxiliary government, he said happily that he was old and sick, and he couldn't get sick any more. He went back to his hometown for illness, but secretly waited for the opportunity, waiting for the opportunity. Cao Shuang felt that Sima Yi suddenly fell ill, and there must be other conspiracies. An insider in Cao Shuang said that Sima Yi couldn't eat, couldn't speak and didn't know what he was thinking. Cao Shuang relaxed his vigilance against Sima Yi.

In 249 AD, Cao Shuang accompanied Di Wei and Cao Fang to sacrifice in Gaopingling, 90 miles south of Luoyang. Sima yi pretended to be seriously ill and took this opportunity to launch a coup in the city under the guise of the queen mother's letters. Sima Shi, the eldest son, commanded 3,000 death squads, closed the gates of Luoyang, occupied the weapons warehouse and took over the imperial guards guarding the palace. Then, he sent the main force out of Yang Xuanmen, came to Luoshui pontoon bridge, and drove away to the sacrificial crowd in a murderous way. Finally, Wang Wei was forced to kill Cao Shuang by Sima Yi. Cao's military and political power was transferred to Sima Yi.

In 25 1 year, Sima Yi died of illness, and his eldest son, Sima Shi, was appointed as a general, responsible for recording state affairs. In 254 AD, Fang came of age. He was dissatisfied with Sima Shi's authoritarian power and plotted with several ministers to get rid of Sima Shi. Because of the leak, Sima Shi first killed the minister involved in the conspiracy. Cao Fang was also deposed, and Cao Mao, who was only 14 years old, was made emperor. Soon, Master Sima died, and his younger brother Si Mazhao took his place. Everything important in the court must pass through Si Mazhao's hand. With the growth and maturity of Cao Pi, he learned something about Wei's politics and felt that Wei was in danger, so he was very indignant.

On May 7, 260, Cao Taizu ordered the imperial army to kill Si Mazhao. Si Mazhao sent general Jia Chong to kill Cao Mao, and then coerced Empress Dowager Cixi to tell the truth to cover up her regicide. The Queen Mother said, "The older Cao Mao gets, the more arrogant he becomes. He shot an arrow at the palace and tried to kill him.

Emperor Cao Wei abolished and killed constantly, and the atmosphere of regime change became stronger year by year. Si Mazhao actually controlled the imperial power. However, a considerable number of people in society are dissatisfied with this situation. While actively preparing to conquer the weak Shu Han in the Three Kingdoms, Si Mazhao obtained a bachelor's degree, which created public opinion for his accession to the throne.

In 263 AD, Si Mazhao sent generals Zhong Hui, Wargo and Zhuge Xu to lead 65,438+800,000 troops into Shu Han. Good news spread frequently, and Cao Huan of Wei Wudi made him a public servant, worshipped him as the prime minister, and gave him "nine products", namely the most luxurious chariots and horses, court clothes, musical instruments, vermilion portals, cornices, 300 guards, leading knives and axes, bows and arrows for conquering, and fragrant wine for sacrifice. These nine listeners are the prelude to the replacement of the ancient throne, which is usually accepted by nine listeners before the abdication ceremony. In 263 AD, Shu Han died, and Si Mazhao was made King of Jin for his achievements.