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BC.... FIRST DETERMINED THE WORLDS CIRCUMFERENCE.
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BC... Pytheas sailed northward from Greece to Iceland.
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circumnavigated the globe through the passage way at 52 S latitude.
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saw the pacific ocean
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he used astronomy and mathematics he began calcuating longitudes.
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Discovered the Gulf stream.
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did a 5 year trip and surveyed the coast line.
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did a 5 year trip and survived the coast line
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established uniform methods of making nautical and meteorolgical observations at sea.
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established uniform methods of making nautical and meteorological observations at sea.
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did a 4 year trip and traved 68,000 miles long.
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BC... They discovered the Canary islands and established trade with Eastern Asia.
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AD... Discovered Vineland
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BC... Construction of the Mediterranean Sea
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AD.. they discoved the Baffin Island
