Charles iv 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.

Tomb of Holy Roman Emperor Frederick II (l. 1194-1250 CE) in Palermo, Sicily.

The English Civil Wars (1642-1651) witnessed a bitter conflict between Royalists ('Cavaliers') and Parliamentarians ('Roundheads'). The Royalists supported first King Charles I of England (r. 1625-1649) and then his son Charles II, while...

Emperor Taizu (960-976 CE), formerly known as Zhao Kuangyin, was the founder of the Song (aka Sung) dynasty which ruled China from 960 to 1279 CE. Taizu settled for a territorially smaller but more unified and prosperous China than was seen...

Wuzong of Tang (also Wu-Tsung, formerly Li Yan) reigned as emperor of China from 840 to 846 CE. He is best remembered today for his persecution of Buddhists, the worst such attack in all of China's history, and his early death by insanity...

Painted illustration of the quaternion eagle of the Holy Roman Empire, created by Jost de Negker in 1510 CE. It depicts the double-headed eagle crest of the Holy Roman Empire (adopted 1433 CE) with the banners of its towns. It became widely...

To many historians, the fall of the Western Roman Empire in the 5th century CE has always been viewed as the end of the ancient world and the onset of the Middle Ages, often improperly called the Dark Ages, despite Petrarch's assertion. Since...

Roman warfare was remarkably successful over many centuries and across many territories. This was due to several important factors. Italy was a peninsula not easily attacked, there was a huge pool of fighting men to draw upon, a disciplined...

Pilgrimage in the Byzantine Empire involved the Christian faithful travelling often huge distances to visit such holy sites as Jerusalem or to see in person relics of holy figures and miraculous icons on show from Thessaloniki to Antioch...