Emperor Shirakawa vs Wu Zetian

Shirakawa abdicated the throne but continued to rule from a monastery as a cloistered emperor, creating the Insei system. This allowed retired emperors to wield real political power, bypassing the Fujiwara regents and dominating court politics for decades.

Shirakawa forced his son Horikawa to succeed him, overriding Fujiwara preferences. This conflict solidified the cloistered emperor's control over succession and reduced Fujiwara influence, leading to decades of political tension.

Shirakawa appointed Taira no Masamori as military governor of Ise Province, elevating the Taira clan's status. This move strengthened the imperial court's military capacity and laid the foundation for the Taira's later rise to power.

Shirakawa sponsored the construction and renovation of numerous Buddhist temples, including the Hossho-ji and Ensho-ji. This patronage strengthened the imperial family's religious authority and influenced Heian-period Buddhist art and architecture.

Wu Zetian was elevated from concubine to empress consort of Emperor Gaozong of Tang in 655. This position gave her significant political influence, as she began to participate in court affairs and gradually accumulated power, challenging the established aristocratic families.

After Emperor Gaozong's death in 683, Wu Zetian became regent for her son, Emperor Zhongzong. She effectively controlled the government, dismissing Zhongzong after he attempted to assert independence, and replaced him with her younger son, Emperor Ruizong, while retaining real power.

Wu Zetian proclaimed herself emperor, founding the Zhou dynasty and becoming the only female emperor in Chinese history. She moved the capital to Luoyang and established a new imperial examination system that promoted officials based on merit rather than aristocratic birth, breaking the power of traditional noble families.

Wu Zetian ordered military campaigns that reasserted Chinese control over the Western Regions, including the Tarim Basin and parts of modern Xinjiang. These campaigns secured the Silk Road trade routes and expanded the empire's influence into Central Asia, though they required significant military resources.

Wu Zetian elevated Buddhism to a state-supported religion, commissioning the construction of temples and statues, including the Longmen Grottoes' giant Vairocana Buddha. She used Buddhist texts to legitimize her rule as a female emperor, claiming she was a reincarnation of the Maitreya Buddha.

In 705, a coup led by court officials and generals forced Wu Zetian to abdicate in favor of her son, Emperor Zhongzong, restoring the Tang dynasty. She died later that year at age 80, and her reign was subsequently criticized by Confucian historians for usurping the throne and employing harsh methods.