Louis the Pious: Did you mean...?

The compound monocular microscope of Louis Pasteur (1822-1895). Made by Nachet et fils, 1861-70. (Science Museum, London)

Louis XIII of France (1601-1643), oil on canvas portrait by Philippe de Champaigne, 1635. Museo del Prado, Madrid.

Louis Philippe II, Duke of Orléans, also known as Philippe Égalité (1747-1793), oil on canvas portrait by Antoine-François Callet, c. late 18th century. Palace of Versailles.

A photo showing Castle of Saint Louis, a ruined crusader castle located in Sidon, Lebanon. Built by the French crusaders in 1254 CE.

Louis XIII of France (r. 1610-1643) in armor, oil on canvas by Peter Paul Rubens, c. 1622-25. Norton Simon Museum, Pasadena, California.

Created in Tours, France, sometime between 1245-1248 CE, this stained glass panel depicts King Louis IX (r. 1226-1270 CE) carrying the crown of thorns. Measures 55 x 35 cm. (Metropolitan Museum of Art, New York)

Louis I de Bourbon, Prince of Condé (1530-1569), oil on panel by an unknown French painter, 16th century. Palace of Versailles.

Portrait of Louis-Charles, dauphin of France (1785-1795) who was recognized by royalists as King Louis XVII of France, during his imprisonment in the Tower of the Temple. In July 1793, he was separated from his family to be "reeducated" in...

Henry III of England ruled from 1216 to 1272 CE. The son of the unpopular King John of England (r. 1199-1216 CE), Henry was immediately faced with the ongoing Barons' War which had been fuelled by discontent over John's rule and his failure...

Charlemagne (Charles the Great, also known as Charles I, l. 742-814) was King of the Franks (r. 768-814), King of the Franks and Lombards (r. 774-814), and Holy Roman Emperor (r. 800-814). He is among the best-known and most influential figures...