Emperor wu of jin: Did you mean...?

A portrait of Chinese emperor Gaozu, founder of the Tang Dynasty, r. 618-626 CE.

An illustration depicting Japanese Emperor Toba (r. 1107-1123 CE)

An illustration depicting Japanese Emperor Shirakawa (r. 1073-1086 CE).

Elgabalus was Roman emperor from 218 to 222 CE. Having failed to keep many of his promises to the army, Roman Emperor Macrinus (217 – 218 CE) was becoming increasingly unpopular, and it would only take a little lie from a young boy's...

Didius Julianus was Roman emperor from March to June 193 CE. On March 28, 193 CE Roman Emperor Pertinax was assassinated by the Praetorian Guard, and like his predecessor Commodus, he left no apparent successor. Two possible claimants...

Constantine VII was Byzantine emperor from 945 until 959 CE. Sometimes known as Constantine Porphyrogennetos because of his birth in the purple chamber of the royal palace, he was served by various regents from 912 CE until reigning...

The Roman Empire, at its height (c. 117), was the most extensive political and social structure in western civilization. Building upon the foundation laid by the Roman Republic, the empire became the largest and most powerful political...

The Carolingian Dynasty (751-887) was a family of Frankish nobles who ruled Francia and its successor kingdoms in Western and Central Europe during the Early Middle Ages. The dynasty expanded from Francia as far as modern Italy...

The Early Three Kingdoms Period in ancient China, from 184 CE to 190 CE for the purposes of this article, was one of the most turbulent in China's history. With an ailing Han government unable to control its empire...

Livia Drusilla (58 BCE - 29 CE) was the third wife of emperor Augustus of Rome, mother of emperor Tiberius, and grandmother of emperor Claudius. She was one of the great women in history who achieved prominence living in the shadow...