罗马帝国 luómǎdìguó Roman Empire Origin Definitions Defs Strokes Stroke Words Sentences Sents 东罗马帝国 dōngluómǎdìguó Eastern Roman Empire The Eastern Roman Empire or Byzantine Empire, lasting from 395 to 1453 with its capital at Constantinople.神圣罗马帝国 shénshèngluómǎdìguó Holy Roman Empire the Holy Roman Empire (962–1806), a major historical political entity in Central Europe