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Invention of the Astrolobe
An astrolobe was used to observe the positions of the stars. It has also been used for time-keeping, navigation, and surveying. 150 BC -
May 4, 1394
Prince Henry the Navigator
Prince Henry the Navigator was a Portuguese explorer, soldier and prince. -
Aug 3, 1492
Columbus’s First Voyage
Set sail from Spain to find an all-water route to Asia. -
Sep 10, 1492
Leif Eriksson lands in “Vinland”
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. -
Sep 12, 1493
Pope Alexander VI draws the Line of Demarcation
The Line of Demarcation was an imaginary division of territory which was used to separate the boundaries of Portugal and Spain. -
Sep 14, 1493
Colombus's second voyage
The second voyage brought European lifestock and settlers to America for the first time. -
Jun 7, 1494
Treaty of Tordesillas is signed
The Treaty of Tordesillas, signed at Tordesillas 7 June 1494, divided the newly discovered lands outside Europe between Spain and Portugal. -
May 30, 1498
Colombus's Third Voyage
The purpose of the third voyage was to bring supplies for the settlement and explore further south. -
May 9, 1502
Colombus's Fourth Voyage
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. -
Henry Hudson sails up the Hudson River
Henry Hudson and his crew sailed into the majestic river off the Atlantic coast by chance.
