Cannon: Did you mean...?

The astrolabe is an astronomical instrument used from around the 6th century to measure time and position by determining the altitude of heavenly bodies like the Sun and certain stars. Measurements were taken in reference to the viewer's...

The conquistadors, meaning "conquerors", were Iberian military adventurers who operated as the vanguard of empires in the 15th and 16th centuries by exploring areas of the world unknown to Europeans, defeating indigenous armies...

The Avars were a confederation of heterogeneous (diverse or varied) people consisting of Rouran, Hephthalites, and Turkic-Oghuric races who migrated to the region of the Pontic Grass Steppe (an area corresponding to modern-day Ukraine...

Captain Charles Vane was an English pirate active in the Caribbean and off the east coast of North America between 1716 and 1720. The pirate, who infamously refused a pardon and instead fired his cannons at the ship of Governor Woodes...

Edward 'Ned' Low was an English pirate active in the Caribbean and eastern Atlantic from 1721 to 1724 during the Golden Age of Piracy (1690-1730). Probably the most sadistic and cruelest of all pirate captains, Low was said to have...

The keep, located within a courtyard and surrounded by a curtain wall, was the heart of a medieval castle. The hall keep was a low building while the tower keep or donjon could have three or more floors...

Omaha Beach was one of two beaches attacked by the US armed forces on D-Day, 6 June 1944. Strong German defences on the bluff overlooking the beach made this area the most difficult of the Normandy landings, but...

Captain Stede Bonnet was a plantation owner in Barbados who turned to piracy and privateering in 1717. Known as the 'Gentleman Pirate', Bonnet embarked on a life of crime relatively late in life, reportedly in order to escape his...

Christine de Pizan (also given as Christine de Pisan, l. 1364 - c. 1430) was the first female professional writer of the Middle Ages and the first woman of letters in France. Her best-known works advocated for greater equality...

Johannes Kepler (1571-1630) was a German astronomer and mathematician most famous for creating what was up to that point the most accurate model of planetary astronomy with his three laws of planetary motion. Kepler was the first...