Shoku Nihongi

is an ancient history of Japan written in 797.
This work is the second of the "Rikkokushi" ("Six National Histories"). It was written after the "Nihon Shoki" and before the "Nihon Kōki".
Sugeno Mamichi was the main editor.
"Shoku Nihongi" is a primary historical source of information about Japan's Nara period.
The work covers the 95-year period from the beginning of Emperor Mommu's reign in 697 until the 10th year of Emperor Kammu's reign in 791. The text is an account of nine imperial reigns.