Julian Calendar: Did you mean...?

Yazidism is a syncretic, monotheistic religion practiced by the Yazidis, an ethnoreligious group which resides primarily in northern Iraq, northern Syria, and southeastern Turkey. Yazidism is considered by its adherents to be the oldest...

The Cult of the Supreme Being was a deistic cult established by Maximilien Robespierre (1758-1794) during the French Revolution (1789-1799). Its purpose was to replace Roman Catholicism as the state religion of France...

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...

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...

Portrait of Jefferson Davis two years before he became president of the Confederate States of America, photograph by Julian Vannerson, 1859. Library of Congress, Washington, D.C.

An 1859 photograph by Julian Vannerson of Senator Andrew Johnson (1808-75), who later served as United States President (1865-9). Library of Congress

USS Niagara fires on the entangled British ships Detroit and Queen Charlotte at the climactic moment of the Battle of Lake Erie (10 September 1813), painting by Julian Oliver Davidson, 1887. Erie Maritime Museum.

Portrait of George B. McClellan, oil on canvas by Julian Scott, 1888. National Portrait Gallery, Washington, D.C.