Udaijin (右大臣), most commonly translated as "Minister of the Right," was a government position in Japan in the late Nara and Heian periods. The position was created in 702 as part of the Dajō-kan (State Department) structure, by the Taihō Code. Nara can refer to: The city of Nara, Nara Prefecture, Japan The Nara Period of the History of Japan Nara prefecture, part of the Kansai region of central Honshu, Japan Nara is a major Manchu clan. ... The Heian period (Japanese: 平安時代, Heian-jidai) is the last division of classical Japanese history, running from 794 to 1185. ... // Births April 20 - Jafar Sadiq, Muslim scholar (d. ... The Dajō-kan ) was the Department of State in Nara and Heian period Japan. ... The Taihō Code or Code of Taihō ) was an administrative reorganization enacted in 702 in Japan, at the end of the Asuka period. ...

The udaijin was the Junior Minister of State, overseeing all branches of the Department of State (Dajō-kan) as the deputy of the Sadaijin (Minister of the Left). Sadaijin (左大臣), most commonly translated as Minister of the Left, was a government position in Japan in the late Nara and Heian periods. ...

The post of udaijin, along with the rest of the Dajō-kan structure, gradually lost power over the 10th and 11th centuries, as the Fujiwara came to dominate politics more and more. The system was essentially powerless by the end of the 12th century, when the Minamoto clan, a warrior clan, seized control of the country from the court aristocracy (kuge). However, it is not entirely clear when the Dajō-kan system was formally dismantled. Seiryoji, a temple in Kyoto, was once a villa of Minamoto no Toru (d. ... The kuge (公家) was a Japanese aristocratic class that dominated the Japanese imperial court in Kyoto until the rise of the Shogunate in the 12th century at which point it was eclipsed by the daimyo. ...

Reference

• Sansom, George (1958). 'A History of Japan to 1334'. Stanford, California: Stanford University Press.