Holy Roman Emperor: Did you mean...?

Gold coin of Holy Roman Emperor Frederick II, minted in Sicily between 1211-1250 CE. Weighs 5.2 grammes and measures 20 mm (British Museum, London)

Illustration of an enthroned Lothar I, Holy Roman Emperor (r. 840-855), King of Middle Francia (Lotharingia) and Italy (r. 843-855). Copied by G.W. Hutin, 1821, from a 9th-century manuscript of the Gospels. The British Museum, London.

Illustration of an enthroned Charles the Bald, Holy Roman Emperor (r. 875-877 CE), King of West Francia (r. 843–877) and Italy (r. 875–877). Copied by G.W. Hutin, 1821, from a 9th-century manuscript of the Gospels. The British Museum, London...

The Jianwen Emperor (r. 1398-1402 CE) was the second ruler of the Chinese Ming dynasty (1368-1644 CE). Following a civil war and Jianwen's mysterious disappearance, his uncle took over the throne and ruled as the Yongle Emperor (r. 1403-1424...

The Protestant Reformation was a period of religious history marked by a great defining, debating, and divergence on what it meant to be an orthodox, faithful Christian. To this end, many theologians offered their own explanations of the...

Zeno was Byzantine emperor from 474 until 491 CE. An ethnic Isaurian, Zeno was repeatedly criticized as an outsider during his reign, which was full of rebellions and attacks by the Ostrogoths. He is best known for his failed attempt to compromise...

The Investiture Controversy, also referred to as the Investiture Contest or Investiture Dispute, was a conflict lasting from 1076 to 1122 between the papacy of the Catholic Church and the Salian Dynasty of German monarchs who ruled the Holy...

Taizong (birth name, Li-Shimin, l. 598-649 CE, r. 626-649 CE) was the second emperor of the Tang Dynasty and is considered one of the greatest rulers in Chinese history for his reforms of the government and the laws, his religious tolerance...

The Hongwu Emperor (r. 1368-1398 CE) was the founder of the Ming dynasty (1368-1644 CE) which took over from the Mongol Yuan dynasty (1276-1368 CE) as the rulers of China. Born a peasant with the name Zhu Yuanzhang, the future emperor led...

Xuanzong (birth name, Li Longji, l. 685-762 CE, r. 712-756 CE) was the 7th emperor of the Tang Dynasty of China, whose domestic and foreign policies established the Tang Dynasty as the Golden Age in Chinese history. Many of the most important...