Reiwa is the name of Japan’s current regnal era, which began on May 1, 2019. The name Reiwa was derived from a phrase found in the Man’yoshu, an 8th century anthology of Japanese poetry. This was immediately newsworthy in Japan, because it was the first time that the name of a new regnal era was derived from a Japanese source rather than from classical Chinese literature. The National Diet Library (NDL) holds several different versions of the Man’yoshu as well as a variety of materials related to it, some of which date back to the Edo period. In this article, we take a closer look at some of these historical materials.
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