The earliest record of this calendar in Japan is in the 10th month of the 10th year of the reign of Empress Suiko (602).
Ten volumes in length, it covers the history of ancient Japan through Empress Suiko, third daughter of Emperor Kimmei.
Empress | empress | Empress Matilda | Empress Suiko | Empress Michiko | Empress Dowager Cixi | Empress Shōken | Empress Elisabeth of Austria | Empress of Britain | Empress of Blandings | Empress Myeongseong | Beatrice of Sicily, Latin Empress | Holy Roman Empress | Empress of Canada | Empress Feng (Wencheng) | Battle of Empress Augusta Bay | SS ''Empress of Asia'' | Rasputin and the Empress | Empress Yu Wenjun | Empress Yang Lihua | Empress Xin | Empress Wang Zhi | Empress of Russia | Empress Kōken | Empress Jitō | Empress Cheonchu | Eleanor of Portugal, Holy Roman Empress | RMS Empress of China | RMS ''Empress of China'' | RMS Empress of Asia |
The seven female monarchs who reigned before Go-Sakuramachi were Suiko, Kōgyoku (Saimei), Jitō, Gemmei, Genshō, Kōken (Shōtoku), and Meishō.
The actual date of the shrine’s foundation is unknown, with shrine legend mentioning the semi-legendary Emperor Kōshō and Empress Suiko as possible candidates.