Frederick I: Did you mean...?

Odo of West Francia (also known as Eudes, l. c. 856-898 CE, r. 888-898 CE) was Count of Paris and hero of the Viking Siege of Paris 885-886 CE who was shortly afterwards elected King of West Francia. He was the son of Robert The Strong (c.830-866...

Philip Melanchthon (l. 1497-1560) was a German scholar and theologian who provided the intellectual rationale and systematized theology for the reformed vision of Christianity of his friend Martin Luther (l. 1483-1546). He was always overshadowed...

The Duchy of Athens was a Latin or Frankish state in Greece that existed from 1205 to 1458 CE. It was created in the aftermath of the Fourth Crusade (1202-1204 CE) and would be ruled for the majority of its history by the Burgundian de la...

Sir Henry Clinton (l. c. 1730-1795) was a British military officer who served as commander-in-chief of the British Army in the later stages of the American Revolutionary War (1775-1783). Having arrived in Boston in May 1775, he served in...

Cardinal Thomas Cajetan (l.c. 1468-1534) was a Catholic theologian and philosopher best known for his disputations with Martin Luther (l. 1483-1546) beginning in 1518. Cajetan, a philosophical Humanist, was thought to have had the best chance...

The Battle of Raismes was a major engagement in the Flanders Campaign of 1792-1795, during the War of the First Coalition (1792-1797). It saw a French Republican army under the command of General Dampierre attack a larger Coalition force...

In which John Green teaches you about America's "peculiar institution," slavery. I wouldn't really call it peculiar. I'd lean more toward horrifying and depressing institution, but nobody asked me. John will talk about what life was like...

"The Holy Roman Empire was in no way holy, nor Roman, nor an empire," wrote Voltaire, and this interpretation still dominates the popular imagination, so the Holy Roman Empire is treated as a bad joke, a pale parody of the glory of Rome...

The astronomers of the Scientific Revolution rejected long-held theories of ancient thinkers like Claudius Ptolemy and Aristotle and instead set out to systematically observe the heavens in order to create a model of the universe that fit...

The Battle of Eylau (7-8 February 1807) was a bloody but inconclusive military engagement during the Napoleonic Wars (1803-1815). Fought on the snowy fields of Poland, the two-day battle resulted in a draw. Eylau marked the first serious...