Tenbun

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title: "Tenbun" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["japanese-eras", "1530s-in-japan", "1540s-in-japan", "1550s-in-japan", "16th-century-neologisms"] description: "Period of Japanese history (1532–1555)" topic_path: "geography/japan" source: "https://en.wikipedia.org/wiki/Tenbun" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Period of Japanese history (1532–1555) ::

Tenbun, also transliterated as Tenmon, was a Japanese era name after Kyōroku and before Kōji. This period spanned from July 1532 through October 1555. The reigning emperor was Go-Nara-tennō.

Change of era

• 1532 Tenbun gannen: 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

• 23 September 1532 (Tenbun 1, 24th day of the 8th month): Yamashina Hongan-ji set on fire. Hokke Riot in Kyōto.
• 29 March 1535 (Tenbun 4, 26th day of the 2nd month): Go-Nara is formally installed as emperor.
• 7 July 1541 (Tenbun 10, 14th day of the 6th month): Takeda Harunobu (later Takeda Shingen) banishes his father, Takeda Nobutora.
• 4 September 1542 (Tenbun 11, 25th day of the 8th month): Imagawa Yoshimoto, who was daimyō of Suruga Province, conquered Tōtōmi Province; and from there, he entered Mikawa Province where he battled the daimyō of Owari Province, Oda Nobuhide. The Imagawa forces were defeated by the Oda army.
• 24 September 1543 (Tenbun 12, 25th day of the 8th month): Portuguese ship drifts ashore at Tanegashima, and the gun is first introduced into Japan.
• July/August 1544 (Tenbun 13, 7th month): Flooding in Heian-kyō and nearby areas.
• 11 January 1546 (Tenbun 15, 20th day of the 12th month): Ashikaga Yoshifushi becomes 13th Shōgun of the Ashikaga shogunate.
• 1547 (Tenbun 16): Joseon-Japanese "Treaty of Tenbun", trading limited to Joseon port of Pusan and Sō clan commerce limited to 20 ships annually.
• 28 January 1548 (Tenbun 17, 30th day of the 12th month): Nagao Kagetora (later Uesugi Kenshin) replaces his older brother Nagao Harukage as heir to Echigo Province, with triumphant entry in Kasugayama Castle.
• 23 March 1549 (Tenbun 18, 24th day of the 2nd month): Nōhime, daughter of Saitō Dōsan, daimyō of Mino Province, marries Oda Nobunaga.
• 27 July 1549 (Tenbun 18, 3rd day of the 7th month): Jesuit Catholic priest Francis Xavier arrives in Japan at Kagoshima
• 15 December 1549 (Tenbun 18, 27th day of the 11th month): Matsudaira clan of Mikawa Province fall under Imagawa Yoshimoto's rule. Matsudaira Takechiyo (later Tokugawa Ieyasu) departs for Imagawa as a hostage.
• September 1551 (Tenbun 20, 8th month): Tainei-ji incident - Sue Takafusa (later Sue Harukata) leads a coup d'etat within the Ōuchi clan, forcing the head of the clan, Ōuchi Yoshitaka, to commit suicide at Tainei-ji temple. Ōuchi vassal Mōri Motonari would soon defeat Takafusa at the Battle of Miyajima in 1555.
• March/April 1554 (Tenbun 23, 2nd month): Shogun Yoshifushi changes his name to Yoshiteru.

Notes

References

• Hall, John Whitney. (1997). The Cambridge History of Japan: Early Modern Japan. Cambridge: Cambridge University Press. ;
• Nussbaum, Louis Frédéric and Käthe Roth. (2005). Japan Encyclopedia. Cambridge: Harvard University Press. ; OCLC 48943301
• Titsingh, Isaac. (1834). Nihon Ōdai Ichiran; ou, Annales des empereurs du Japon. Paris: Royal Asiatic Society, Oriental Translation Fund of Great Britain and Ireland. OCLC 5850691

References

1. link. (2012-05-24 .)
2. Titsingh, Isaac. (1834). [https://books.google.com/books?id=18oNAAAAIAAJ&pg=PP9&dq=nipon+o+dai+itsi+ran#PRA1-PA372,M1 ''Annales des empereurs du japon'', pp. 372]–382.
3. Titsingh, [https://books.google.com/books?id=18oNAAAAIAAJ&pg=PP9&dq=nipon+o+dai+itsi+ran#PRA1-PA374,M1 p. 374.]
4. Titsingh, [https://books.google.com/books?id=18oNAAAAIAAJ&pg=PP9&dq=nipon+o+dai+itsi+ran#PRA1-PA376,M1 p. 376.]
5. Titsingh, [https://books.google.com/books?id=18oNAAAAIAAJ&pg=PP9&dq=nipon+o+dai+itsi+ran#PRA1-PA377,M1 p. 377.]
6. Titsingh, [https://books.google.com/books?id=18oNAAAAIAAJ&pg=PP9&dq=nipon+o+dai+itsi+ran#PRA1-PA381,M1 p. 381]; n.b., Ashikaga Yoshifushi changed his name to Yoshiteru in 1554 (''Tenbun 23, 2nd month'').]
7. Titsingh, [https://books.google.com/books?id=18oNAAAAIAAJ&pg=PP9&dq=nipon+o+dai+itsi+ran#PRA1-PA378,M1 p. 378.]
8. Hall, John Whitney. (1997). [https://books.google.com/books?id=6RBXXJixf-sC&pg=PA249&dq= ''The Cambridge History of Japan: Early Modern Japan'', p. 249.]

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