*[[King Injo]] of Korea is succeeded by [[King Hyojong]] (reigns until [[1659]]).
*[[King Injo]] of Korea is succeeded by [[King Hyojong]] (reigns until [[1659]]).
*[[Ryukyuan embassy]] travels to Edo and to [[Nikko Toshogu|Nikkô Tôshôgû]].
*[[Ryukyuan embassy]] travels to Edo and to [[Nikko Toshogu|Nikkô Tôshôgû]].
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*The [[Qing Dynasty]] sends a mission to [[Ryukyu Kingdom|Ryûkyû]] seeking resumption of [[tribute]]/[[Chinese investiture envoys|investiture]] relations. Ryûkyû delays on a response.
*Shogunal heir [[Tokugawa Ietsuna]] travels to Nikkô Tôshôgû in the stead of Shogun [[Tokugawa Iemitsu]].
*Shogunal heir [[Tokugawa Ietsuna]] travels to Nikkô Tôshôgû in the stead of Shogun [[Tokugawa Iemitsu]].