sentences:  In Chinese history, retroactive nomenclature is widely used by historians when referring to its monarchs and dynasties.Chinese sovereigns were assigned posthumous titles in the form of posthumous names and temple names after their passing, either by their descendants or by rulers of successive dynasties.For example, Liu Xiu of the Eastern Han dynasty is widely known as the "Emperor Guangwu of Han" with "Guangwu" being his posthumous name.