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6700 BCE
map of Catal Hyuk
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3000 BCE
Babylonian clay tablets
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3000 BCE
first map of the moon
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600 BCE
map of Babylonian empire
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600 BCE
Pythagoras: earth is a sphere
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200 BCE
Eratosthenes: circumference, grid
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150 BCE
Hipparchus: sun based latitude system
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150
Ptolemy: world map with coordinates
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476
European cartography halts
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830
Al-Khwarizmi: world map based on Ptolemy
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1030
Al-Biruni develops triangulation
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1375
A. Cresques: world map using portolan maps
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1569
G. Mercator's projection for navigation
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sextant developed
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John Harrison: clock for longitude at sea
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Greenwich chosen as the prime meridian
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Maps made with images from above + GIS
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global positioning system developed