Frederick I Barbarossa: Did you mean...?

John Brown (1800-1859) was a militant abolitionist best known for the part he played in the violence of Bleeding Kansas (1854-1859) and his raid on Harpers Ferry, Virginia (now in West Virginia) in October...

The Empire of Nicaea was a successor state to the Byzantine Empire, or rather a Byzantine Empire in exile lasting from 1204 to 1261 CE. The Empire of Nicaea was founded in the aftermath of the sacking of Constantinople during...

William the Silent (l. 1533-1584, also known as William of Orange) was the leader of the Dutch Revolt (the Eighty Years' War) in the Netherlands; first politically (between 1559-1568) then militarily (between 1568-1584). He...

Thomas Müntzer (l. c. 1489-1525) was a German theologian and apocalyptic preacher who became one of the leaders of the German Peasants' War (1524-1525). An early follower of the reformer Martin Luther (l. 1483-1546), Müntzer established...

The Siege of Acre, located on the northern coast of Israel, was the first major battle of the Third Crusade (1189-1192 CE). The protracted siege by a mixed force of European armies against the Muslim garrison and nearby...

Abolitionist author, orator and statesman Frederick Douglass (1818-1895) is well-known for his speeches, autobiography, and other works addressing the issue of slavery in the United States...

Saladin (1137-93) was the Muslim Sultan of Egypt and Syria (r. 1174-1193) who shocked the western world by defeating an army of the Christian Crusader states at the Battle of Hattin and then capturing Jerusalem in 1187. Saladin all but...

The Grand Embassy was the name given to the long Western European tour that Tsar Peter I of Russia (aka Peter the Great, r. 1682-1725) undertook during 1697-1698. Peter was joined by hundreds of people, including...

The Kingdom of Jerusalem was a state created in 1099 CE by Crusaders and western settlers after the First Crusade (1095-1102 CE). With Jerusalem as its capital, the kingdom was the most important of the four Crusader States...

Blitzkrieg ('lightning war') is a military tactic combining air and land forces deployed at speed against the enemy's weaker points while the rear lines are simultaneously disrupted by acts of sabotage...