Myth of an Unbroken Imperial Line – Origins of Emperor Jimmu’s 660 BCE Accession

Influence of Chinese Astronomical Calculations on Japan’s Imperial Chronology

Today, I will provide further insights into the theory of Emperor Jimmu’s accession in 660 BCE, which serves as the foundation for the concept of an unbroken imperial lineage in Japan.

One of the central pillars of Japan’s imperial legitimacy is the theory of an unbroken imperial lineage (万世一系, bansei ikkei), which claims that the Japanese imperial famil…