sentences:  Li Xian of the Tang dynasty is commonly referred to as the "Emperor Zhongzong of Tang" with "Zhongzong" being his temple name.Within the Sinosphere, Vietnam and Korea adopted both posthumous names and temple names, while Japan adopted only posthumous names.As it was common for Chinese dynasties to adopt the same Chinese characters for their official dynastic name, historians apply prefixes to the names of dynasties in order to distinguish between the numerous similarly-named regimes.