Frederick I: Did you mean...?

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...

William Still (1819-1902) was an African American abolitionist known as the "Father of the Underground Railroad" for his efforts in helping to free between 600 to 800 people from slavery. Born the son...

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...

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...

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...

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...

A vibrant portrait of an age when Arabic enlightenment anticipated and inspired the European Renaissance, illuminated by its guiding figures and rivals, Ibn Sina and Biruni. In The...

There was actually only one cause for the American Civil War: slavery. All the events leading to the Civil War, understood as steps moving steadily up the conflict, had slavery as...

The medieval indulgence was a writ offered by the Church, for money, guaranteeing the remission of sin, and its abuse was the spark that inspired Martin Luther's 95 Theses. Luther (l. 1483-1546) claimed the sale...

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...