Frederick I: Did you mean...?

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 his...

Martin Luther's speech at the Diet of Worms (also known as the Here I Stand Speech) is considered one of the greatest pieces of oratory in world history. It was given in response to the council's questions on whether Luther would stand by...

Voltaire (1694-1778) was a French author, historian, and philosopher whose thoughts on religious toleration and moderation of authoritarian power were influential during the Enlightenment. His most famous work today is the satirical Candide...

The Knight’s Revolt (1522-1523) was a military action led by the German imperial knight Franz von Sickingen (l. 1481-1523) and encouraged by the knight and writer Ulrich von Hutten (l. 1488-1523) launched to restore the status of the imperial...

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 turned out to...

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), and...

William IV of Great Britain (r. 1830-1837) succeeded his elder brother George IV of Great Britain (r. 1820-1830) to become the fifth Hanoverian monarch. William had a successful naval career, and his reign is best remembered for the democratic...

Johann Tetzel (l.c. 1465-1519) was a Dominican Friar who became famous as one of the most effective indulgence salesmen and who inadvertently inspired the Protestant Reformation when Martin Luther (l. 1483-1546) wrote his 95 Theses protesting...

The Protestant Reformation (1517-1648) refers to the widespread religious, cultural, and social upheaval of 16th-century Europe that broke the hold of the medieval Church, allowing for the development of personal interpretations of the Christian...

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 1859. Brown developed an intense...