1340s in Japan

pretender to the title of emperor of Japan

emperor of Japan

Emperor of Japan

was a Japanese era name (年号, nengō, lit. year name) of the Northern Court during the Era of Northern and Southern Courts after Ryakuō and before Jōwa. This period spanned the years from April 1342 to October 1345. The emperor in Kyoto was . Go-Kōgon's Southern Court rival in Yoshino during this time-frame was .

Engen (延元) was a Japanese era of the Southern Court during the Era of Northern and Southern Courts after Kenmu and before Kōkoku, lasting from February 1336 to April 1340. The reigning Emperors were Emperor Go-Daigo and Emperor Go-Murakami in the south and Emperor Kōmyō in the north.

Kōkoku (興国) was a Japanese era of the Southern Court during the Era of Northern and Southern Courts after Engen and before Shōhei, lasting from April 1340 to December 1346. The emperor in Kyoto was . Go-Kōgon's Southern Court rival in Yoshino during this time-frame was .

was a Japanese era of the Northern Court during the Era of Northern and Southern Courts, after Kenmu and before Kōei, lasting from August 1338 to April 1342. The emperor in Kyoto was . Go-Kōgon's Southern Court rival in Yoshino during this time-frame was .

was a Japanese era (年號, nengō, lit. year name) of the Southern Court during the Era of Northern and Southern Courts after Kōkoku and before Kentoku. This period spanned the years from December 1346 to July 1370. The Southern Court emperors in Yoshino were and . The emperors in Kyoto were , and in the north.

Japanese era from 1345 to 1350

1348 battle

imperial anthology of Japanese waka compiled between 1344 and 1346

The were two Japanese–Yuan trade ships launched in 1342 in order to procure funds for the construction of Tenryū-ji. They were approved by the Muromachi shogunate, and released to the command of a Hakata merchant named under the condition that he donate 5,000 kanmon (equivalent to 5,000,000 mon) to the temple irrespective of the mission's commercial success.