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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 Circumference of Earth and Establishes Coordinate Grid
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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 and Scientific Cartography Halts in Europe
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830
Al-Khwarizmi Produces World Map Partly Based on Ptolemy's Work
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1030
Al-Biruni Develops Triangulation
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1375
Abraham Cresques Produces World Map Using Portolan Maps
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1569
Gerardus Mercator Publishes His First Projection for Navigation
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The Sextant is Developed
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John Harrison Develops Accurate Clock for Determining Longitude at Sea
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International Meridian Conference Chooses Greenwich as the Prime Meridian
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High-Quality Maps Produced from Aerial and Satellite Imagery and Geographic Information Systems (GIS)
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Global Positioning Systems (GPS) are Completed
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More Than 80 Percent of the Earth's Surface Mapped in Less Than Ten Days with Radar
