Tenbun

Tenbun (天文), also known as Tembun or Temmon, was a Japanese era name (年号,, nengō,, lit. "year name") after Kyōroku and before Kōji. This period spanned the years from July 1532 through October 1555. The reigning emperor was Go-Nara-tennō (後奈良天皇).

Change of era

1532 Tenbun gannen (天文元年): At the request of Ashikaga Yoshiharu, the 12th Shōgun of the Muromachi Bakufu, the era name was changed because of various battles. The previous era ended and a new one commenced in Kyōroku 5, on the 29th day of the 7th month.

Events of the Tenbun era

1532 (Tenbun 1, 24th day of the 8th month): Yamashina Hongan-ji set on fire. Hokke Riot in Kyōto.

1536 (Tenbun 5, 26th day of the 2nd month): Go-Nara is formally installed as emperor.

1541 (Tenbun 10, 14th day of the 6th month): Takeda Harunobu (later Takeda Shingen) banishes his father, Takeda Nobutora.

1542 (Tenbun 11, 25th day of the 8th month): Imagawa Yoshimoto, who was daimyo of Suruga province, conquered Totomi province; and from there, he entered Mikawa province where he battled the daimyo of Owari province, Oda Nobuhide. The Imagawa forces were defeated by the Oda army.