Title: Heian, Nara gaikō kara bōeki e no daitenkan
Subjects: History, Foreign relations, Nihon-Rekishi, Nihon-Rekishi-Nara jidai, Nihon-Rekishi-Heian jidai, Nihon-Taigai kankei-Chūgoku-Rekishi, International relations
Places: Japan, China
Time periods: Nara period, 710-794, Heisei period, 1989-