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An astrolobe was used to observe the positions of the stars. It has also been used for time-keeping, navigation, and surveying. 150 BC
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Prince Henry the Navigator was a Portuguese explorer, soldier and prince.
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Set sail from Spain to find an all-water route to Asia.
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Eriksson sailed off course on his way back to Greenland and landed on the North American continent, where he explored a region he called Vinland.
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The Line of Demarcation was an imaginary division of territory which was used to separate the boundaries of Portugal and Spain.
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The second voyage brought European lifestock and settlers to America for the first time.
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The Treaty of Tordesillas, signed at Tordesillas 7 June 1494, divided the newly discovered lands outside Europe between Spain and Portugal.
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The purpose of the third voyage was to bring supplies for the settlement and explore further south.
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He was determined by his life-long dream to find the link between the Indies and the Indian Ocean. He was still way off in his calculations and still considered the Indies as being in Asia.
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Henry Hudson and his crew sailed into the majestic river off the Atlantic coast by chance.
