Title: Daikōkai jidai no kaiiki Ajia to Ryūkyū
Subjects: History, Foreign relations, Histoire, Relations extérieures, Diplomatic relations, Ryūkyū, Porutogaru-Taigai kankei-Ajia-Rekishi, Supein-Taigai kankei-Ajia-Rekishi
Places: Ryukyu Islands, Portugal, Japan, Spain, Ryūkyū (Japon), Espagne
Time periods: To 1879, Jusqu'à 1879