He fought alongside his father, [[Shimazu Hisatsune]], in the [[1281]] defense against the second [[Mongol Invasions|Mongol invasion]], and became clan head upon Hisatsune's death in [[1284]]. Around that time, either Hisatsune or Tadamune became the first Shimazu head to relocate from [[Kamakura]] and take up permanent residence in [[Kagoshima]]. From then on, the Shimazu would administer their territory relatively directly, rather than appointing representatives (''shugo dai'') to administer in their stead.<ref>"[http://www.shuseikan.jp/word/family02.html Satsuma nyûkoku]," ''Satsuma Shimazu-ke no rekishi'', Shôkoshûseikan official website.</ref> | He fought alongside his father, [[Shimazu Hisatsune]], in the [[1281]] defense against the second [[Mongol Invasions|Mongol invasion]], and became clan head upon Hisatsune's death in [[1284]]. Around that time, either Hisatsune or Tadamune became the first Shimazu head to relocate from [[Kamakura]] and take up permanent residence in [[Kagoshima]]. From then on, the Shimazu would administer their territory relatively directly, rather than appointing representatives (''shugo dai'') to administer in their stead.<ref>"[http://www.shuseikan.jp/word/family02.html Satsuma nyûkoku]," ''Satsuma Shimazu-ke no rekishi'', Shôkoshûseikan official website.</ref> |