Frederick I Barbarossa: Did you mean...?

George II of Great Britain (r. 1727-1760) was the second of the Hanoverian monarchs, and like his father George I of Great Britain (r. 1714-1727), he faced a Jacobite rebellion to restore the Stuart line. Wars in Europe...

Manuel I Komnenos was emperor of the Byzantine Empire from 1143 to 1180 CE. Manuel continued the ambitious campaigns of his grandfather Alexios I and father John II to aggressively expand the boundaries of his empire. Manuel...

George III of Great Britain (r. 1760-1820) was the third of the Hanoverian monarchs, and he remains the longest-reigning king in British history. His six decades on the throne saw the creation of the United Kingdom, the...

The Declaration of Pillnitz was a joint statement issued on 27 August 1791 by Leopold II, Holy Roman Emperor (r. 1790-1792) and King Frederick William II of Prussia (r. 1786-1797). The declaration appealed to all European...

The Crusades were a series of military campaigns organised by popes and Christian western powers to take Jerusalem and the Holy Land back from Muslim control and then defend those gains. There were eight major official crusades between...

The German Crusade of 1197 CE, also known as the 'Emperor's Crusade', was led by the Holy Roman Emperor Henry VI (r. 1191-1197 CE). Although the emperor died on his way east, his army did capture Beirut from the forces...

Catherine II of Russia (Catherine the Great) was empress regent of Russia from 1762-1796. She was born in Prussia to Prince Christian August of Anhalt-Zerbst (1690-1747) and Princess Johanna Elisabeth of Holstein-Gottorp (1712-1760...

Martin Luther (l. 1483-1546) was a German priest, monk, and theologian who became the central figure of the religious and cultural movement known as the Protestant Reformation. Even though earlier reformers had expressed Luther's...

The Eighty Years' War (1568-1648, also known as The Dutch Revolt and Dutch War of Independence) was a military conflict between the seventeen provinces of the Netherlands and Spain, which then governed them, beginning in the...

Matilda of Canossa (c. 1046-1115), the Countess of Tuscany (r. 1055-1115) and Vice-Queen of Italy (r. 1111-1115), was the final head of the noble House of Canossa following the deaths of her father in 1052 and her elder brother...