In the year marking increasing European interaction with Japan, the Battle of Fukuda Bay represented a significant moment as Japanese and Portuguese naval forces clashed for the first time. The Matsura clan, known for their maritime prowess, attempted to intercept a Portuguese trading carrack in Fukuda Bay. The event was driven by economic motivations, as the Matsura sought to monopolize European trade and secure advantageous positions in the lucrative trade of goods like silk and spices.

The clash involved several ships from the Matsura clan, leveraging their knowledge of local waters, but they faced a formidable opponent in the Portuguese carrack. Portugal had established a strong foothold in Asian trade, and their vessels were often heavily armed, presenting a challenge for local clans. Ultimately, the Matsura clan's efforts were thwarted as the Portuguese ship managed to evade capture and continue its journey, which underscored the complexities of the evolving maritime landscape.

This naval confrontation not only highlighted the ambitions of the Matsura but also marked a notable interaction that would influence subsequent foreign relations and trade practices. While this battle concluded without victory for the Matsura, it set a precedent for future engagements between Japanese clans and European powers, shaping Japan's approach to foreign trade and naval development.