Julian Calendar: Did you mean...?

An illustration in the French Republican Calendar for the month of Vendémiaire Year VI, or September-October 1797 in the Gregorian calendar. Vendémiaire was the first month of the year under the Republican Calendar. By Salvatore Tresca...

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...

The Ulm Campaign (25 September to 20 October 1805) was a military operation during the War of the Third Coalition (1805-1806). Through a series of maneuvers, the 210,000 men of the French Grande Armée, led by Emperor Napoleon I...

Ferdinand Magellan, or Fernão de Magalhães (c. 1480-1521), was a Portuguese mariner whose expedition was the first to circumnavigate the globe in 1519-22 in the service of Spain. Magellan was killed on the voyage in what is...

Germanicus (15 BCE - 19 CE) was a commander in the Roman Empire with a glowing reputation in his time under the rule of the Emperor Tiberius. His position in the Roman Empire was a unique and important one. His marriage to Agrippina...

Juan de Grijalva (aka Grijalba, 1489-1527) was a Spanish conquistador who explored the eastern coast of Mexico in 1518. His notable achievements included a demonstration that the Yucatán Peninsula was just that and not, as previously...

Henry Clay, toward the end of his long congressional career, photo by Julian Vannerson or Montgomery P. Simons, 1848.

Portrait of Confederate General Robert E. Lee (1807-1870) by Julian Vannerson, March 1864. Library of Congress, Washington, D.C.

A gold solidus from Antioch depicting Emperor Julian, 361-363 CE. (Metropolitan Museum of Art, New York).

Stephen A. Douglas, a US Civil War era politician from Illinois, photo by Julian Vannerson, 1859. Library of Congress, Washington, D.C.