*The ''[[hachimaki]]'' and ''[[kanzashi]]'' systems of court rank are established in the [[Kingdom of Ryukyu|Kingdom of Ryûkyû]], along with a [[mibun seido|class system]].
*The ''[[hachimaki]]'' and ''[[kanzashi]]'' systems of court rank are established in the [[Kingdom of Ryukyu|Kingdom of Ryûkyû]], along with a [[mibun seido|class system]].
*Shô Iko, Prince of the Kingdom of Ryûkyû, takes up residence in [[Urasoe castle]].
*Shô Iko, Prince of the Kingdom of Ryûkyû, takes up residence in [[Urasoe castle]].
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*The [[So clan|Sô clan]] of [[Tsushima]] sends an imposter envoy to Korea claiming to be representing Ise-no-kami Masachika (a fictional shogunal vassal). The envoy carries an [[ivory tally system|ivory tally]] borrowed possibly from the [[Ouchi clan|Ôuchi clan]], or the [[Otomo clan|Ôtomo clan]].