Articles

Greek mathematics, the study of numbers and their properties, patterns, structure, space, apparent change, and measurement, is said to have originated with Thales of Miletus (l. c. 585 BCE) but was clearly understood during the...

The Battle of Friedland (14 June 1807) was a decisive battle of the Napoleonic Wars (1803-1815), fought by the armies of the French and Russian empires. A major French victory, Friedland caused the Russians to sue for peace...

The Battle of Eylau (7-8 February 1807) was a bloody but inconclusive military engagement during the Napoleonic Wars (1803-1815). Fought on the snowy fields of Poland, the two-day battle resulted in a draw. Eylau marked the first...

Philo of Byzantium's On the Seven Wonders (225 BCE) is the first known list of the Seven Wonders of the Ancient World (though it may have been based on earlier works now lost). Philo's list differs from the...

The twin battles of Jena and Auerstedt, both fought on 14 October 1806, marked a major turning point in the Napoleonic Wars (1803-1815). It saw the French Grande Armée, led by Emperor Napoleon I (r. 1804-1814; 1815) soundly...

The Battle of Austerlitz (2 December 1805), or the Battle of the Three Emperors, was one of the most significant battles of the Napoleonic Wars (1803-1815). It saw French Emperor Napoleon I (r. 1804-1814; 1815) and his Grande...

The silphium plant of Cyrene, valued as a seasoning, aromatic, and for its medicinal properties, is referenced by several notable ancient writers, but two of the best-known descriptions come from Theophrastus...

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...

The Coronation of Napoleon I as Emperor of the French took place on Sunday 2 December 1804, in the Notre-Dame de Paris cathedral. A sacred ceremony held to legitimize Napoleon's reign, the coronation signaled the birth...

The fall in 1519 of Tenochtitlan, the capital of the Mexica or Aztec Empire, as it was later called, laid the foundation for the Spanish colonial empire on the North American mainland...