The Seventeen-Article Constitution appeared in 604, an early foundational text of Japanese governance.
In 604, during Suiko’s reign, the court promulgated the Seventeen-Article Constitution (Jūshichijō Kenpō), a set of moral and political injunctions traditionally associated with Prince Shōtoku and the Suiko court. It is remembered as the first written constitutional text in Japanese history.
The document was not a constitution in the modern legal sense, but it was still transformative. It articulated principles such as harmony, obedience to authority, and the ethical responsibilities of officials, thereby supporting a more centralized and morally ordered state. Its appearance during Suiko’s reign shows the degree to which the court was absorbing Chinese-style political thought, especially Confucian ideas about governance, hierarchy, and proper conduct.
Its historical importance lies in its role as an early statement of statecraft. The text contributed to the development of bureaucratic norms and helped define the moral vocabulary of the early Japanese polity. Under Suiko, the court was no longer simply a cluster of hereditary elites; it was becoming an institution with articulated political ideals. That transition made the constitution a foundational document in Japanese political history.