Tang at Its Height
and the An Lushan Rebellion

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The only woman in Chinese history to assume the title of Empress Regnant (and indeed Emperor, 皇帝) of China in her own right. Born into a merchant family, she entered the court as a concubine to Emperor Taizong at age fourteen. After his death she was supposed to become a Buddhist nun — instead she became the concubine and later empress of his son Gaozong. Following Gaozong's death, she ruled through her sons before declaring herself emperor of the Zhou dynasty in 690. Her reign included genuine administrative reforms, expansion of the examination system, and significant Buddhist patronage, alongside ruthless suppression of opponents. She was forced to abdicate at age 80 and died the same year.

The short-lived dynasty declared by Wu Zetian when she proclaimed herself emperor. By naming it "Zhou," she invoked the ancient Zhou dynasty (1046–256 BCE), one of the most revered dynasties in Chinese history, associating her reign with classical legitimacy. The Zhou interregnum is sandwiched within the Tang dynasty — when Wu died, her son restored the Tang name. Despite lasting only fifteen years, the Zhou period saw significant administrative developments including expansion of the civil examination system and Buddhist institutional growth.

A Buddhist text that Wu Zetian had copied and distributed throughout the empire after loyal monks produced an interpretation that prophesied a female bodhisattva would be reborn as a female universal monarch (Cakravartī) who would rule the world. This provided Wu with a Buddhist framework for female sovereignty that had no equivalent in the Confucian tradition. Confucianism embedded male rule in the cosmic order itself (the yang-yin hierarchy); Buddhism, by contrast, contained traditions of female spiritual power and made gender secondary to enlightenment and merit.

The seventh and longest-reigning emperor of the Tang dynasty. His reign is divided into two periods: an energetic early phase of administrative reform and consolidation, and a later phase characterized by political withdrawal, factionalism, and infatuation with his concubine Yang Guifei. The cultural achievements of the "High Tang" — Li Bai's poetry, Han Gan's horse paintings, musical innovations at court — belong primarily to the middle decades of his reign. The An Lushan Rebellion that shattered Tang centralized power broke out in 755 and Xuanzong fled west, effectively ending his reign, though he was not officially deposed until 756.

Widely regarded as one of the two greatest poets in the Chinese literary tradition (alongside Du Fu). Li Bai's poetry celebrates spontaneity, nature, friendship, wine, and the Daoist ideal of transcendence — the possibility of escape from social constraints into communion with the natural world. His style is exuberant and image-rich. He briefly served at Emperor Xuanzong's court but was dismissed, reportedly for his unconventional behavior. Known as the "Poetry Immortal" (诗仙, Shī Xiān), he is said to have drowned attempting to embrace the moon's reflection — a story probably legendary but perfectly suited to his poetic persona.

Considered by many the greatest Chinese poet, Du Fu is known as the "Confucian poet" (诗圣, Shī Shèng — "Sage of Poetry") for his moral seriousness and commitment to bearing witness to political suffering. He repeatedly failed the civil service examinations and spent years wandering before securing a minor government post. The An Lushan Rebellion scattered his family and deepened his poetry's emotional power. His work documented displacement, hunger, and the human cost of imperial failure. Paradoxically, his greatest poems were written after the rebellion — in exile and poverty — making his career an example of the late Tang cultural flourishing that accompanied political collapse.

Born Yang Yuhuan, she was originally the wife of one of Xuanzong's sons before becoming his own favored concubine (guifei — "precious consort") around 740. Her relatives, particularly her cousin Yang Guozhong, gained enormous political power at court, creating bitter factional rivalries. When the An Lushan Rebellion broke out and Xuanzong fled Chang'an, his own guards mutinied at Mawei Postal Station and refused to continue until Yang Guifei was executed, blaming her family for the crisis. She was strangled — Xuanzong reportedly wept but had no power to refuse. Bai Juyi's "Song of Everlasting Sorrow" (長恨歌) immortalized her as a tragic romantic figure, though she became simultaneously symbol of imperial excess and female scapegoating.

A half-Sogdian, half-Turk professional soldier who rose through Tang's multi-ethnic frontier military to command three northeastern frontier commands with over 160,000 troops — the single largest military force in the empire. Born on the frontier, he spoke multiple languages and understood both Chinese court culture and steppe military organization. He became a personal favorite of Xuanzong, who found his mixed-culture exuberance entertaining. A quarrel with Yang Guifei's cousin Yang Guozhong in 755 pushed him to open rebellion. He declared himself emperor of the "Yan" dynasty before being murdered by his own son in 757. His rebellion is the direct consequence of Tang's policy of recruiting talented non-Chinese commanders — a cosmopolitan strategy that eventually turned against the dynasty.

The leading intellectual of the late Tang Confucian revival. Han Yu argued for a return to the direct, clear prose style of the ancient masters — what he called "ancient-style prose" (古文, gǔwén) — against the ornate, parallel prose dominant at the time. More significantly, he mounted a principled intellectual attack on Buddhism, arguing it was a foreign religion incompatible with Chinese civilization and that its enormous institutional wealth and exemption from taxation undermined the state. He was exiled for presenting a memorial criticizing the emperor's veneration of a Buddhist relic. His ideas about the transmission of Confucian teaching from the ancient sages directly to later thinkers laid the groundwork for the Song dynasty Neo-Confucian movement.

The period of political fragmentation following the fall of the Tang dynasty. In the north, five successive short-lived dynasties controlled the old Tang heartland (Later Liang, Later Tang, Later Jin, Later Han, Later Zhou), while in the south and southwest, ten independent kingdoms emerged. The period ended when the Song dynasty (960–1279) reunified most of China. Despite the political chaos, the Five Dynasties period saw significant economic and cultural continuity — and in southern China, considerable prosperity. The period is notable for the first large-scale use of printed books and the beginnings of the commercial revolution that would transform Song China.