Tengyō (天慶) was a Japanese era name (年号, nengō, "year name") after Jōhei and before Tenryaku. This period spanned the years from May 938[1] through April 947.[2] The reigning emperors were Suzaku-tennō (朱雀天皇) and Murakami-tennō (村上天皇).[3]
February 2, 938Tengyō gannen (天慶元年): The new era name was created to mark an event or series of events. The previous era ended and the new one commenced in Jōhei 8, on the 23rd day of the 5th month.[4]
May 16, 946 (Tengyō 9, 13th day of the 4th month): In the 16th year of the reign of Suzaku-tennō (朱雀天皇17年), the emperor abdicated; and the succession (the senso) was received by his younger brother, Nariakira-shinnō.[7]
May 31, 946 (Tengyō 9, 28th day of the 4th month): Emperor Murakami, who was 21 years old, acceded to the throne (the sokui).[8]
^Titsingh, Isaac. (1834). Annales des empereurs du Japon, pp. 134–155; Brown, Delmer et al. (1979). Gukanshō, pp. 294–295; Varley, H. Paul. (1980). Jinnō Shōtōki, pp. 181–183.
^Brown, p. 295; 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 Go-Murakami.