The date of its construction is unclear, but Omonogusuku first appears in the historical record in the mid-15th century. It was headed by the ''Omonogusuku osasu-no-soba'', the highest governmental position a member of the Naha scholar-aristocracy could attain; the ''osasu-no-soba'' held his position for a term of three years.<ref>Higher positions in the government were filled from the scholar-aristocracies of [[Kumemura]] and [[Shuri]]. ''Naha shizoku no isshô'' 那覇士族の一生 (Naha: Naha City Museum of History, 2010), 14.</ref> The storehouse operated until the early 18th century, when it fell into disuse as a result of the decline in Ryûkyû's foreign trade. | The date of its construction is unclear, but Omonogusuku first appears in the historical record in the mid-15th century. It was headed by the ''Omonogusuku osasu-no-soba'', the highest governmental position a member of the Naha scholar-aristocracy could attain; the ''osasu-no-soba'' held his position for a term of three years.<ref>Higher positions in the government were filled from the scholar-aristocracies of [[Kumemura]] and [[Shuri]]. ''Naha shizoku no isshô'' 那覇士族の一生 (Naha: Naha City Museum of History, 2010), 14.</ref> The storehouse operated until the early 18th century, when it fell into disuse as a result of the decline in Ryûkyû's foreign trade. |