Ironworking is believed to have been first introduced into the [[Amami Islands]] around the year [[500]], and to have spread to the other [[Ryukyu Islands|Ryûkyû Islands]] from there.<ref>[[Richard Pearson]], ''Ancient Ryukyu'', University of Hawaii Press (2013), 148.</ref> | Ironworking is believed to have been first introduced into the [[Amami Islands]] around the year [[500]], and to have spread to the other [[Ryukyu Islands|Ryûkyû Islands]] from there.<ref>[[Richard Pearson]], ''Ancient Ryukyu'', University of Hawaii Press (2013), 148.</ref> |