Empress Zhangsun (長孫皇后, personal name unknown, presumably Wugou (無垢) (15 March 601Empress Zhangsun's biography in Old Book of Tang indicate that she was 36 (by East Asian reckoning) when she died. Thus, her birth year should be 601 (1st year of the Renshou era of the reign of Emperor Wen of Sui). Separately, vol. 34 of Tang Hui Yao recorded that on the 6th day of the 2nd month of the 1st year of the Longshuo era of Tang Gaozong's reign, the Court of Imperial Sacrifices was ordered to stop practising their music for 6 days, as it was an anniversay related to Empress Zhangsun (龙朔元年二月六日。敕太常寺。六日停教音乐。太宗皇帝文德皇后忌日故也。). Since Empress Zhangsun's death date was recorded, this anniversay should then be referring to her birthday. The 6th day of the 2nd month of the 1st year of the Renshou era corresponds to 15 Mar 601 in the Julian calendar. – 28 July 636Volume 194 of Zizhi Tongjian recorded that Zhangsun died on the jimao day in the 6th month of the 10th year of the Zhenguan era of Tang Taizong's reign. This date corresponds to 28 Jul 636 in the Julian calendar. (贞观十年六月)己卯,崩于立政殿。), formally Empress Wendeshunsheng (文德順聖皇后, literally "the civil, virtuous, serene, and holy empress") or, in short, Empress Wende (文德皇后), was a Chinese essayist and an empress of the Chinese Tang dynasty. She was the wife of Emperor Taizong and the mother of Emperor Gaozong. She was well educated, and her ancestors were of Xianbei ethnicity. Their original surname was Tuoba, later changed to Zhangsun. During her tenure as empress, she served as a loyal assistant and honest advisor to her husband, Emperor Taizong.
It was written that the ancestors of Zhangsun family traced their origin to the Xianbei dynasty Northern Wei's founding emperor Emperor Taiwu of Northern Wei's 17th generation ancestor Tuoba Kuaili (拓拔儈立) — that their ancestor was Tuoba Kuali's third son, who took the surname Baba (拔拔), eventually changed to Zhangsun when Emperor Xiaowen of Northern Wei changed Xianbei surnames to Han surnames in 496.Zhangsun Wuji's biography in the Old Book of Tang actually wrote that the Zhangsuns traced their ancestry to the "third older brother of Emperor Xianwen of Northern Wei." See Old Book of Tang, vol. 65. However, this appeared to be in error, as Emperor Xianwen was the oldest son of his father, Emperor Wencheng of Northern Wei, and thus could not have had a third older brother. Based on the Book of Wei, the reference appeared to be intended to "the third older brother of Emperor Xian of Northern Wei," Emperor Xian being the posthumous honor conferred by Emperor Taiwu on Tuoba Kuali's son and successor Tuoba Linli (拓拔鄰立). See Book of Wei, vols. 1, 113.
Li Shimin was Tang's most capable general in its campaigns to reunite China following Sui's collapse, defeating the major enemies Xue Rengao the Emperor of Qin, Liu Wuzhou the Dingyang Khan, Wang Shichong the Emperor of Zheng, and Dou Jiande the Prince of Xia. In doing so, he overshadowed his older brother Li Jiancheng, the crown prince. The brothers developed an intense rivalry. Princess Zhangsun was said to serve her father-in-law Emperor Gaozu carefully, forming friendships with his concubines which she would use to cover up the mistakes of her husband and his faction.
Sources state that in 626, the crown prince Li Jiancheng and another brother, Li Yuanji the Prince of Qi, who supported Li Jiancheng, set out to ambush the rising Li Shimin. But Li Shimin heard about this trap, and organized a counter-coup, walking into the trap with several of his own most trusted and skilled soldiers. When Li Shimin mobilized his personal troops within his mansion, and as he did so, Princess Zhangsun was said to have personally made an appearance before the troops to encourage them. Her brother Zhangsun Wuji was one of Li Shimin's major strategists in this matter. Li Shimin was able to counter Li Jiancheng and Li Yuanji at Xuanwu Gate and kill them, and then essentially forced Emperor Gaozu to appoint him crown prince. Princess Zhangsun was accordingly named crown princess. Two months later, on 4 September,Volume 191 of Zizhi Tongjian recorded that Taizong assumed the throne on the jiazi day of the 8th month of the 9th year of the Wude era of Tang Gaozu's reign. This date corresponds to 4 Sep 626 on the Gregorian calendar. (武德九年八月)甲子,太宗即皇帝位于东宫显德殿... Emperor Gaozu yielded the throne to Li Shimin, who took the throne as Emperor Taizong. Princess Zhangsun, consequently, became empress, and their oldest son, Li Chengqian, became crown prince.
Emperor Taizong always loved Empress Zhangsun. After ascending the throne, he often showed more favor to the Empress family than allowed. Because of Empress Zhangsun, he granted extrajudicial favors to Zhangsun Anye, Zhangsun Shunde, and Zhangsun Chang for their illegal acts, and he lavishly gave gifts, grants and wealth to all empress relatives and friends to such an extent that many courtiers even the empress herself and some of her relatives objected to it. Emperor Taizong would at times try to discuss with empress matters of award and punishment and the suggestions of the officials on important matters and even confidential government information to see what she opined, but each time she refused to do so, stating that it was not her place to do so. She to him replied, "The crowing of hens in the morning is a sign of family trouble. As a woman, how dare I be informed of government affairs and give an opinion about it?"; However, Taizong's insistence forced her to tell him what she thought. As her brother Zhangsun Wuji was a major strategist who contributed much to his victory over Li Jiancheng, he wanted to make Zhangsun Wuji a chancellor, and Empress Zhangsun declined on Zhangsun Wuji's behalf, stating:
Emperor Taizong initially disagreed and made Zhangsun Wuji chancellor anyway in fall 627, but with Zhangsun Wuji himself also repeatedly declining, Emperor Taizong relented in spring 628 and removed Zhangsun Wuji from the chancellor position.
Also in 627, Empress Zhangsun's other brother Zhangsun Anye was implicated in a treasonous plot, along with the generals Li Xiaochang (李孝常), Liu Deyu (劉德裕), and Yuan Hongshan (元弘善). Initially, Zhangsun Anye, like the other conspirators, were to be put to death, but Empress Zhangsun interceded on his behalf, stating that even though Zhangsun Anye deserved death, the people would have thought that she was retaliating for his ill treatment of her and Zhangsun Wuji when they were little. Emperor Taizong agreed and spared Zhangsun Anye, only exiling him to Xi Prefecture (巂州, roughly modern Liangshan Yi Autonomous Prefecture, Sichuan).
In 632, Emperor Taizong was about to marry the Princess Changle to Zhangsun Wuji's son Zhangsun Chong (長孫沖). As the princess was born of Empress Zhangsun and was his favorite daughter, Emperor Taizong ordered that her dowry had to exceed that for his sister, the Princess Yongjia. The chancellor Wei Zheng advised against it, pointing out that this was contrary to Emperor Ming of Han's observation that his sons should not be as honored as his brothers. Emperor Taizong agreed and also informed Empress Zhangsun, who was greatly impressed with Wei's honest advice, and therefore, after receiving permission from Emperor Taizong, she had her eunuchs send rewards of money and silk to Wei, praising him for his honesty. On another occasion, after Emperor Taizong returned from an imperial gathering, he was angry and yelled, "Let me find a chance to kill this country-bumpkin!" Empress Zhangsun asked whom he was referring to, and he replied, "I am referring to Wei Zheng. He always finds a way to insult me in front of everyone in the imperial hall!" Empress Zhangsun retreated to her bedchambers and put on the official empress gown; standing solemnly, she prepared to bow to Emperor Taizong. He was surprised, and asked her what the reason was. She responded, "I have heard that only a most able emperor will have subordinates who have integrity. Wei shows this much integrity because you are an able emperor. How can I not congratulate you?" Emperor Taizong's anger turned to happiness, and he did not punish Wei. Later that year, on an occasion when Emperor Taizong and she personally visited Emperor Gaozu (who had then taken the title of Taishang Huang (retired emperor)) at his Da'an Palace (大安宮), they personally served a feast to him.
Emperor Taizong, for several years, had often suffered from severe illnesses, and Empress Zhangsun often attended to him day and night, carrying poison within her belt and resolving to commit suicide if the emperor should die. Empress Zhangsun herself was said to suffer from severe asthma, and her conditions were exacerbated in 634 when she was ill, but nevertheless attended to Emperor Taizong when he was forced to wake up in the middle of the night and put on armor and weapons due to an emergency report by his brother-in-law, Chai Shao (柴紹) the Duke of Qiao. By 636, her conditions were severe, and Li Chengqian suggested to her that, as the doctors appeared to have done everything they could, Emperor Taizong declare a general pardon and encourage commoners to become Buddhist or Taoist monks, to try to gain divine favor. Empress Zhangsun, knowing that Emperor Taizong had long disapproved of Buddhism and Taoism and herself believing overuse of pardons to be improper, refused. Li Chengqian instead told the idea to the chancellor Fang Xuanling, who reported it to Emperor Taizong. Emperor Taizong considered issuing a general pardon, but Empress Zhangsun again refused. As she came close to death (at a time that Fang had drawn anger from Emperor Taizong and was temporarily relieved of his post and returned to his mansion), she bid Emperor Taizong goodbye with these words;
She died in 636. After she died, the palace authorities submitted Empress Zhangsun's writings—a 10-volume compilation of the good deeds of ancient women titled Examples for Women (女則, Nü Ze), and a commentary criticizing Han dynasty's Empress Ma – to Emperor Taizong. When Emperor Taizong read her works, he was greatly saddened, and he stated:
He summoned Fang back to his chancellor position, and then he buried her with honors due an empress, but reduced the expenditures as much as possible, as she wished. He himself would eventually be buried at the same tomb, after his own death in 649.
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