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

Legio I Adiutrix was a legion of the Roman army formed from veteran sailors after the death of Roman emperor Nero (r. 54-68 CE). During its long career, the legion accompanied Trajan (r. 98-117 CE) on his Dacian and Parthian campaigns, fought...

Maximinius Thrax ruled briefly as the Roman emperor from 235 CE to his death in 238 CE. The young Roman Emperor Alexander Severus secured the imperial throne after the assassination of his cousin Elagabalus by the Praetorian Guard in 222...

A 16th century CE portrait on silk of Japanese Emperor Kammu (r. 781 to 806 CE) who is most noted for relocating the capital to Heiankyo (Kyoto) in 784 CE. (Enryaku-ji Monastery, near Kyoto, Japan)

A silk scroll portrait of the Yongle Emperor (aka Chengzu or Yung Lo, r. 1403-1424 CE) who was the third ruler of the Chinese Ming Dynasty (1368-1644 CE). (National Palace Museum, Taibei)

A painted silk scroll portrait of the Jianwen Emperor (r. 1398-1402 CE), the second ruler of the Chinese Ming dynasty (1368-1644 CE).

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).

It has been said that the greatest enemy of Rome was Rome itself, and this is certainly true of the period known as the Crisis of the Third Century (also known as the Imperial Crisis, 235-284). During this time of almost 50 years, over 20...

Vespasian (9-79 CE) was Roman emperor from 69 to 79 CE. Despite his low birth, he worked hard to rise through the ranks of Roman politics and eventually achieved prominence as a military commander. He came to power at the end of the brief...