Analysis of information sources in references of the Wikipedia article "National Foundation Day (Japan)" in English language version.
According to legend, the first Japanese Emperor was Jimmu. Along with the next 13 Emperors, Jimmu is not considered an actual, historical figure. Historically verifiable Emperors of Japan date from the early sixth century with Kimmei
Spring, 1st month, 1st day.
1966 Cabinet Order No. 376, Promulgation: December 9, 1966, Enforcement: December 9, 1966, The first application example is February 11, 1967.
1966 Cabinet Order No. 376, Promulgation: December 9, 1966, Enforcement: December 9, 1966, The first application example is February 11, 1967.