Temmon or Tembun (天文) was a Japanese Era after Kyōroku and before Kōji and spanned from 1532 to 1555. The reigning emperor was Go-Nara.

Change of Era

At the request of Ashikaga Yoshiharu, the 12th shōgun of the Muromachi Bakufu, because of various battles, on the 29th day of the 7th month of Kyōroku 5 (1532), the era was changed to Temmon.

Events of the Temmon Era

• Temmon Gannen (1532), 8th month 24th day - Yamashina Honganji set on fire. Hokke Riot in Kyōto
• Temmon 10 (1541), 6th month, 14th day - Takeda Harunobu (later Shingen) banishes his father Nobutora
• Temmon 12 (1543), 8th month, 25th day - Portuguese ship drifts ashore at Tanegashima, guns introduced into Japan (some believe it was 1542)
• Temmon 15 (1546), 12th month 20th day - Ashikaga Yoshiteru becomes 13th Shōgun of Muromachi Bakufu
• Temmon 17 (1548), 12th month 30th day - Nagao Kagetora (later Uesugi Kenshin) replaces his older brother Nagao Harukage as heir to Echigo Province, triumphant entry in Kasugayama Castle
• Temmon 18 (1549), 2nd month 24th day - Princess Nō marries Oda Nobunaga
• Temmon 18 (1549), 7th month 3rd day - Francis Xavier arrives at Kagoshima
• Temmon 18 (1549), 11th month, 27th day - Matsudaira clan of Mikawa Province fall under Imagawa Yoshimoto's rule. Takechiyo (later Tokugawa Ieyasu) departs for Imagawa as a hostage.

Births in the Temmon Era

• Temmon Gannen (1542) - Luis Frois, Society of Jesus missionary (died Keichō 2/1597)
• Temmon 3 (1544), 5th month, 12th day (June 23, 1544) - Oda Nobunaga (died Tenshō 10/1582)
• Temmon 4 (1545) - Princess Nō, wife of Oda Nobunaga (died Keichō 10/1605)
• Temmon 5 (1546), 1st month 1st day (1536) - Hideyoshi Toyotomi (died Keichō 3/1598)
• Temmon 5, 3rd month 10th day (March 31, 1546) - Ashikaga Yoshiteru, 13th Shōgun of the Muromachi Bakufu (died Eiroku 8/1565)
• Temmon 6, 11th month, 3rd day (December 5, 1537) - Ashikaga Yoshiaki, 15th Shōgun of the Muromachi Bakufu (died Keichō 2/1597)
• Temmon 7, 12th month, 25th day (1539) - Maeda Toshiie, general (died Keichō 4/1599)
• Temmon 7 (1538) - Ashikaga Yoshihide, 14th Shōgun of the Muromachi Bakufu (died Eiroku 11/1568)
• Temmon 9 (1540) - Toyotomi Hidenagi's half-brother, general, (died Tenshō 19/1591)
• Temmon 11 (1542) - Hattori Masanari (also known as Hattori Masashige or Hanzō), general (died Keichō Gannen/1596)
• Temmon 11, 12th month, 26th day (January 30, 1543) - Tokugawa Ieyasu, first shōgun of Edo Bakufu (died Genna 2/1616)
• Temmon 16 (1547) - Oda Nagamasu, younger brother of Oda Nobunaga (died Genna 7/1621)

Deaths in the Temmon Era

• Temmon 10, 11th month 13th day (November 30, 1541) - Amago Tsunehisa, general (born Chōroku 2/1458)
• Temmon 19, 5th month 4th day (May 20, 1550) - Ashikaga Yoshiharu, 12th shōgun of the Muromachi Bakufu (born Eishō 8/1511)
• Temmon 20, 3rd month, 3rd day (April 8, 1551) - Oda Nobuhide, general, father of Oda Nobunaga (born Eishō 7/1510)

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