Christopher Columbus was born in Italy in 1451 and went
To sea at the age of 14.In1476, he moved to Portugal,after being shipwrecked there.
At that time, the Portuguese were trying to reach the spice islands of Asia by sailing around Africa.
But some people had other ideas. What if you sailed west across the Atlantic? It might be possible to go all the way around the world and reach Japan, China and the rest of Asia the other way.
Christopher Columbus calculated that you could reach Japan by sailing 4,800 km (3,00 miles) west. Even in those days, sailing ships could make that distance easily, so he thought it would be a simple journey.
In 1485, Columbus asked king Joao II of Portugal to pay for an expédition to sail west across the Antlantic,to look for Asia
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Public - 3/24/16, 8:41 AM