Tenbun

• 1532 {{nihongo|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.{{citation needed|date=July 2023}}

• 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.Titsingh, [https://books.google.com/books?id=18oNAAAAIAAJ&pg=PP9&dq=nipon+o+dai+itsi+ran#PRA1-PA374,M1 p. 374.]
• 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.Titsingh, [https://books.google.com/books?id=18oNAAAAIAAJ&pg=PP9&dq=nipon+o+dai+itsi+ran#PRA1-PA376,M1 p. 376.]
• 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.Titsingh, [https://books.google.com/books?id=18oNAAAAIAAJ&pg=PP9&dq=nipon+o+dai+itsi+ran#PRA1-PA377,M1 p. 377.]
• 11 January 1546 (Tenbun 15, 20th day of the 12th month): Ashikaga YoshifushiTitsingh, [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).] becomes 13th Shōgun of the Ashikaga shogunate.Titsingh, [https://books.google.com/books?id=18oNAAAAIAAJ&pg=PP9&dq=nipon+o+dai+itsi+ran#PRA1-PA378,M1 p. 378.]
• 1547 (Tenbun 16): Joseon-Japanese "Treaty of Tenbun", trading limited to Joseon port of Pusan and Sō clan commerce limited to 20 ships annually.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.]
• 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.

{{Reflist}}

• Hall, John Whitney. (1997). The Cambridge History of Japan: Early Modern Japan. Cambridge: Cambridge University Press. {{ISBN|978-0-521-22355-3}}; {{OCLC|174552485}}
• Nussbaum, Louis Frédéric and Käthe Roth. (2005). Japan Encyclopedia. Cambridge: Harvard University Press. {{ISBN|978-0-674-01753-5}}; [http://www.worldcat.org/oclc/48943301/editions?editionsView=true&referer=br OCLC 48943301]
• Titsingh, Isaac. (1834). Nihon Ōdai Ichiran; ou, [https://books.google.com/books?id=18oNAAAAIAAJ&dq=nipon+o+dai+itsi+ran Annales des empereurs du Japon.] Paris: Royal Asiatic Society, Oriental Translation Fund of Great Britain and Ireland. [https://www.worldcat.org/oclc/5850691 OCLC 5850691]

• National Diet Library, "The Japanese Calendar" [http://www.ndl.go.jp/koyomi/e/ – historical overview plus illustrative images from library's collection]

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{{succession box

| before =Kyōroku

| title = Era or nengō
Tenbun

| years = 1532–1555

| after =Kōji

}}

{{s-end}}

{{Japanese era name}}

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Category:Japanese eras

Category:1530s in Japan

Category:1540s in Japan

Category:1550s in Japan

Category:16th-century neologisms