Definitions

Sextus Empiricus (l. c. 160 to c. 210 CE) was a Greek Skeptic who developed the ideas of the earlier Greek Skeptic philosopher Pyrrho of Elis (l. c. 360 to c. 270 BCE) who claimed that tranquility of mind was attainable by suspending judgment...

Adelantado was an office awarded by the Spanish Crown to conduct military campaigns in the medieval period but then repurposed during the Age of Exploration to grant an individual the right to privately fund expeditions of discovery and conquest...

The decrees of 4 August 1789, also known as the August Decrees, were a set of 19 articles passed by the National Constituent Assembly during the French Revolution (1789-1799) which abolished feudalism in France and ended the tax exemption...

Juan Ponce de León (1474-1521) was a Spanish conquistador who led expeditions from Puerto Rico to the coast of Florida, giving the region its current name. He also served as the first governor of Puerto Rico and discovered the Gulf Stream...

Polycrates (r. c. 535-522 BCE) was the tyrant of Samos who established Samian naval supremacy in the eastern Aegean and strove for control of the Aegean Sea and mainland towns of Ionia in the 6th century BCE. Polycrates had a successful career...

The Counter-Reformation (also known as the Catholic Reformation, 1545 to c. 1700) was the Catholic Church's response to the Protestant Reformation (1517-1648). It is usually dated from the Council of Trent in 1545 to the end of the Great...

Alfred Sisley (1839-1899) was a Franco-British impressionist painter. Known for his landscapes, which often present nature in a subdued light, he participated in the impressionist exhibitions in Paris in the 1870s but struggled to make a...

Mary Cassatt (1844-1926) was an American impressionist painter who lived most of her life in France. She focussed on capturing women at their daily tasks in oils, pastels, and prints, and produced many innovative representations of mothers...

Impressionism was an art movement which began in Paris in the last quarter of the 19th century. The impressionists tried to capture the momentary effects of light on colours and forms, often painting outdoors. They frequently used bright...

The Columbian exchange is a term coined by Alfred Crosby Jr. in 1972 that is traditionally defined as the transfer of plants, animals, and diseases between the Old World of Europe and Africa and the New World of the Americas. The exchange...