A Buddhist temple called Miroku-ji was built next to it in 779, making it what is believed to be the first shrine-temple (jingū-ji) ever. The shrine-temple complex, called Usa Hachimangu-ji (宇佐八幡宮寺), lasted until 1868.
From 1871 through 1946, Usa was officially listed among the first rank of government supported shrines.
- Nussbaum, Louis-Frédéric. (2005). "Usa Hachiman-gū" in Japan Encyclopedia, p. 1017.
- Ponsonby-Fane, Richard. (1962). Studies in Shinto and Shrines, p. 195.
- Shively, Donald H. (1993). Cambridge History of Japan, Vol. 2, pp. 524–530.
- Titsingh, Isaac. (1834). Annales des empereurs du japon, pp. 78-81; Brown, Delmer M. (1993). The Cambridge History of Japan, p. 411 n144 citing Ross Bender, "The Hachiman Cult and the Dōkyō Incident" in Monumenta Nipponica. 24 (Summer 1979): 124.
- "Nationwide List of Ichinomiya," p. 3.; retrieved 2011-08-09
- Ponsonby-Fane, Richard. (1959). The Imperial House of Japan, pp. 124-126; other similarly honored Hachiman shrines were Iwashimizu Hachiman-gu of Yawata in Kyoto Prefecture and Hakozaki-gū of Fukuoka in Fukuoka Prefecture
- Ministry of Land, Infrastructure and Transport (MLIT), Usa Jinju Shrine
- Hardacre, Helen. (1989). Shinto and the State, 1868-1988, p. 12.
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