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Poseidon
Poseidon was the Greek god of the sea and rivers, creator of storms and floods, and the bringer of earthquakes and destruction. He was perhaps the most disruptive of all the ancient gods but he was not always a negative force. He was a protector...

Definition
Ferdinand Magellan
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 today the Philippines...

Definition
Caravel
The caravel (caravela in Spanish and Portuguese), was a type of medium-sized ship which, with its low draught and lateen or triangular sails, made it ideal for exploration from the 15th century onwards. Fast, manoeuvrable, and only needing...

Definition
Vasco da Gama
Vasco da Gama (c. 1469-1524) was a Portuguese navigator who, in 1497-9, sailed around the Cape of Good Hope in southern Africa and arrived at Calicut (now Kozhikode) on the south-west coast of India. This was the first direct voyage from...

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Prince Henry the Navigator
Prince Henry the Navigator (aka Infante Dom Henrique, 1394-1460) was a Portuguese prince who famously helped capture the North African city of Ceuta, sponsored voyages of exploration with the aim of building colonies in the North Atlantic...

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Lewis and Clark Expedition
The Lewis and Clark Expedition (1804-1806) was a US military expedition of exploration, led by Meriwether Lewis and William Clark, whose goal was to explore the newly acquired western lands that comprised the Louisiana Purchase and to reach...

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Orion
Orion was the great hunter of Greek mythology who was famed for his good looks and many love affairs. Either his assault of or admiration from Artemis resulted in the gods transforming the giant into a constellation. Referred to by such ancient...

Definition
Periplus of the Erythraean Sea
The Periplus of the Erythraean Sea is an eyewitness account of ancient travel to Africa and India via the Red Sea written by an unknown Greek-speaking Egyptian author in the 1st century CE. In this detailed account, the conditions of the...

Definition
Edmond Halley
Edmond Halley (1656-1742) was an English astronomer, mathematician, and cartographer. Halley's Comet is named after him since he accurately predicted its return in 1758. One of the early globetrotting scientists, Halley led several maritime...

Definition
Mari
Mari was a city-state located near the west bank of the Euphrates River in Northern Mesopotamia (now eastern Syria) during the Early Bronze Age and the Middle Bronze Age. One of the earliest known planned cities, Mari is believed to have...