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.