On the Korean Peninsula, people have traditionally admired the person who ruled Chugen (China) as emperor, and considered only that person qualified to use the term '皇' (emperor).
朝鮮半島では、長らく中原を治める天子を皇帝と仰ぎ、それが唯一「wikt皇」の文字を使用できる存在として見てきた。