Definitions

The Thirty Years’ War (1618-1648) was the last major European conflict informed by religious divisions and one of the most devastating in European history resulting in a death toll of approximately 8 million. Beginning as a local...

Gustavus Adolphus (l. 1594-1632; r. 1611-1632) was the King of Sweden who elevated his country to a major power in the 17th century. He also is traditionally recognized as the "Father of Modern Warfare" for his military innovations...

The Flight to Varennes was a pivotal moment of the French Revolution (1789-1799), in which King Louis XVI of France (r.1774-92), his wife Queen Marie Antoinette (1755-93), and their children attempted to escape from Paris on...

The ancient history of Afghanistan, a landlocked country in Central Asia, is full of fascinating cultures, from early nomadic tribes to the realms of Achaemenid Persia, the Seleucids, the Mauryans, the Parthians, and Sasanians...

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...

Johann Eck (l. 1486-1543) was a Catholic theologian and writer best known for his disputations with Martin Luther (l. 1483-1546) beginning in 1517 and continuing until his death in 1543. Eck maintained the position that, if anyone...

The Civil Constitution of the Clergy was a law passed in July 1790 during the French Revolution (1789-1799), which caused the immediate subordination of the Catholic Church in France to the French government. An attempt...

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...

Arachne, from the Greek arákhnē (meaning spider), is a figure in Greek mythology whose talent for weaving was renowned and who famously challenged the goddess Minerva to a weaving competition. As told in Ovid’s (43 BCE-17 CE) Metamorphoses...

Johannes Gutenberg (l. c. 1398-1468) was the inventor of the printing press (c. 1450) who seems to have developed the device from wine and oil presses of the time. Gutenberg’s printing press not only revolutionized book making...