Brown, pp. 264; prior to Emperor Jomei, the personal names of the emperors (their imina) were very long and people did not generally use them; however, the number of characters in each name diminished after Jomei's reign.
July 12 645 corresponds to the Fourteenth Day of the Sixth Month of 645 (isshi).
Titsingh, pp. 47–48; Brown, p. 266; Varley, p. 44; a distinct act of senso is unrecognized prior to Emperor Tenji; and all sovereigns except Jitō, Yōzei, Go-Toba, and Fushimi have senso and sokui in the same year until the reign of Emperor Go-Murakami.
