Tenmon 17 (天文十七年)
Timeline of 1548
- 1548/2 Takeda Shingen suffers a defeat at the hands of Murakami Yoshikiyo in the first Japanese battle in which guns are employed (in this case, by the Murakami and of Chinese manufacture)
- 1548/3 Imagawa Yoshimoto attacks Oda Nobuhide on behalf of Matsudaira Hirotada.
Other events of 1548
- Oda Nobuhide makes peace with Saitô Dôsan, and receives a daughter for marriage to Nobunaga.
- Jesuits capture three men from Satsuma province in Malacca, and bring them to Goa; they are the first Japanese to ever travel to India. They are returned to Japan the following year. One of the men, Anjirô, later served as an interpreter for Francis Xavier.