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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 determines earth is a sphere
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200 BCE
Eratosthenes determines the circumference of earth
establishes coordinate grid -
150 BCE
Hipparchus creates early system of latitude based on the sun
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150
Ptolemy creates world map with coordinates for 8,000 locations
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476
Roman Empire collapses
Scientific cartography halts in Europe -
Jan 1, 830
Al-Khwarizmi produces world map partly based on Ptolemy's work
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Jan 1, 1030
Al-Biruni develops triangulation
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Jan 1, 1375
Abraham Cresques produces world map using portolan maps
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Jan 1, 1569
Gerardus Mercator publishes his first projection for navigation
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sextant developed
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John Harrison develops accurate clock for determining longitude at sea
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International Meridium Chooses Greenwich as the prime meridium
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Period: to
Geographic Information Systems and Global Positioning System Developed (GPS)
high quality maps produced from aerial and satellite imagery