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The Tongzhi Emperor's deficiencies in ruling

Tongzhi received a rigorous education from four famous teachers of Cixi's own choosing: Li Hongzao, Qi Junzao, Weng Xincun, and Woren. This group was later joined by Weng Xincun's son, Weng Tonghe; the emperor's governor, also selected by Cixi, was Mianyu. The imperial teachers instructed the emperor in the classics and various old texts for which Tongzhi displayed little or no interest.

Despite, or perhaps because of, the pressure and stress put upon the young emperor, he despised learning for the majority of his life. According to Weng Tonghe's diary, Tongzhi could not read a memorandum in full sentences by the age of 16. Worried about her son's inability to learn, Cixi only pressured him more. When he was given personal rule in November 1873 at the age of 18 (four years behind the usual custom), Tongzhi proved to be an incompetent ruler.

Tongzhi made two important policy decisions during his short stint of rule, which lasted from 1873 to 1875. First, he decreed that the Summer Palace, destroyed by the English and French in the Second Opium War, would be completely rebuilt under the pretext that it was a gift to Cixi and Ci'an. Historians also suggest that it was an attempt to drive Cixi from the Forbidden City so that he could rule without interference in policy or his private affairs.

The imperial treasury was almost depleted at the time from internal strife and foreign wars, and as a result, Tongzhi asked the Board of Finance to forage for the necessary funds. In addition, he encouraged members of the nobility and high officials to donate funds from their personal resources. Once construction began, the emperor checked its progress on a monthly basis, and would often spend days away from court, indulging himself in pleasures outside of the Forbidden City.

Uneasy about Tongzhi's neglect of national affairs, the emperor's uncles Prince Gong and Prince Chun, along with other senior court officials, submitted a joint memorandum asking the emperor to cease the construction of the Summer Palace, among other recommendations. Tongzhi, unwilling to submit to criticism, issued an imperial edict in August 1874 to strip Prince Gong of his princely title and demote him to the status of a commoner. Two days later, Prince Dun, Prince Chun, Prince Fu, Jingshou, Prince Qing, Wenxiang, Baojun, and Grand Councillors Shen Guifen and Li Hongzao were all to be stripped of their respective titles and jobs.

Seeing the mayhem unfold from behind the scenes, Cixi and Ci'an made an unprecedented appearance at court directly criticising Tongzhi for his wrongful actions and asked him to withdraw the edict; Cixi said that "without Prince Gong, the situation today would not exist for you and me."

Feeling a grand sense of loss at court and unable to assert his authority, Tongzhi returned to his former habits. It was rumoured that he caught syphilis and became visibly ill. The physicians spread a rumour that Tongzhi had smallpox, and proceeded to give medical treatment accordingly. Within a few weeks, on 13 January 1875, Tongzhi died. His wife followed suit in March. Judging from a modern medical perspective, the onset of syphilis comes in stages, thus the emperor's quick death does not seem to reflect its symptoms. Therefore, most historians maintain that Tongzhi did, in fact, die from smallpox. Regardless, by 1875, Cixi was back onto the helm of imperial power.