Complex sentence: Lê Thánh Tông (1442--1497) was an emperor of Annam during 1460-1497, his era was eulogistic as the "Prospered reign of Hồng Đức" (洪德之盛治).
Split into simpler sentences: Lê Thánh Tông (1442--1497) was an emperor of Annam during 1460-1497. His era was eulogistic as the "Prospered reign of Hồng Đức" (洪德之盛治).