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.
Events of the Tengyō era
April 6, 938 (Tengyō 1, 4th day of the 3rd month): Ten pairs of roosters were matched-up in cockfights before the emperor.
938 (Tengyō 1, 4th month): Several intermittent ground-tremors were felt in Heian-kyō from the 10th through the 29th days of this month.
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.
May 31, 946 (Tengyō 9, 28th day of the 4th month): Emperor Murakami, who was 21 years old, acceded to the throne (the sokui).