How Japan built a capital of peace to escape corruption
In short: In 794 CE, Emperor Kammu moved the Japanese capital to Heiankyo—the 'capital of peace and tranquillity.' This wasn't just a change of scenery; it was a deliberate attempt to scrub away the corruption and religious overreach that had paralyzed the previous era. It birthed a golden age of culture.
The transition from the Nara Period (710–794 CE) to the Heian Period was defined by a desire for structural renewal. The preceding era was marked by intense internal conflicts between aristocrats and an excessive influence on policy by Buddhist sects. To break this cycle, Emperor Kammu moved the seat of power to Heiankyo in 794 CE. His goal was twofold: to release the government from corruption and to dilute the political ties between the state and Buddhism. Under this new regime, Kammu attempted to revive the ritsuryō system—a legal framework that required practical updates for a changing world. For example, he adjusted the frequency of rice field allocations from every 6 years to once every 12 years because the original schedule was impossible to maintain.
He also overhauled the military, abolishing peasant conscription in favor of selecting soldiers from the sons of local officials who possessed martial prowess. This shift helped stabilize the interior while campaigns against the northern Ezo tribes were conducted. The physical layout of Heiankyo reflected these values. Designed on a regular grid with a wide central avenue, it featured public administration buildings with crimson columns and green tiled roofs based on Chinese models. While the aristocracy enjoyed palaces with landscaped gardens, no Buddhist temples were permitted in the city's central core. This era eventually saw a flourishing of uniquely Japanese culture, including the famous Tale of Genji by Lady Murasaki, as Chinese influences merged with local traditions.
The period ultimately concluded with the Genpei War (late 12th century), where the Minamoto clan defeated the Taira. This victory led to the establishment of the Kamakura Shogunate by Yoritomo, marking a shift in power away from the imperial court.
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Sources
- Summary by Intellect · source: Classical Japan during the Heian Period | World History | Khan Academy
- Also: Heian Period
- Also: Japan - Heian Period, Buddhism, Shintoism | Britannica
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