Tenbun

Tenbun (天文) was a Japanese era name (年号, nengō, literally "year name") after Kyōroku and before Kōji. This period spanned from July 1532 to October 1555. The reigning emperor was Go-Nara-tennō (後奈良天皇).

Events of the Tenbun Era:

• 1536 (Tenbun 5): Rennyo's Hokkeji-betsuin was destroyed by fire.
• 1543 (Tenbun 12): The first documented arrival of Europeans (Portuguese) in Japan, landing on Tanegashima and introducing firearms. This is a watershed moment in Japanese history, marking the beginning of direct trade and cultural exchange with Europe.
• 1549 (Tenbun 18): Francis Xavier arrives in Japan and begins missionary work to spread Christianity.
• Tenbun Era (General): Significant developments in Sengoku period warfare, particularly the increased use and refinement of firearms. Powerful daimyo (feudal lords) like Oda Nobunaga began to emerge.
• Tenbun Era (General): Continued consolidation of power by various daimyo across Japan, leading to increased regional conflict and shifting alliances.
• Tenbun Era (General): Developments in Japanese culture, including advancements in tea ceremony, poetry, and other arts.

Origin:

The name Tenbun was taken from a passage in the Book of History.