1523: Hōjō Ujitsuna's Name Change and the Ningbo Incident - Sengoku Shogun Map
Based in Odawara, Ujitsuna changed his family name from Ise to Hōjō between June and September to strengthen the legitimacy of his rule in Sagami. Meanwhile, the Ōuchi and Hosokawa missions clashed at Ningbo in Ming China, seriously disrupting Sino-Japanese trade.
Major events
- 1523-04: Ningbo Incident — The Ōuchi and Hosokawa missions clashed at Ningbo in Ming China over priority in trade. The incident, which began on the thirtieth day of the fourth month, seriously disrupted Sino-Japanese trade.
- 1523-月日不詳: Hōjō Ujitsuna Changes His Family Name from Ise to Hōjō — Between June 12 and September 13, Ujitsuna changed his family name from Ise to Hōjō, apparently seeking to legitimize his rule of Sagami by invoking the name of the Kamakura Hōjō.