Events
Earliest Map created
by BabyloniansEarliest Egyptian MapEratosthenes calculates the Earth's circumferencePtolemy wrote the books GeographyOldest existing Portolan mapJean-Dominique Cassini discovered a new way to find longitudeBritish Captain James Cook mapped new landFirst American Map created by Abel BuellLitography became very popularGerman Mapmakers called "New Lands" AmericasChristopher Columbus Made Historic Voyage from Spain to the AmericasPolynesian vessels use stick maps to travel across the ocean.Mercator created his famous Mercator ProjectionGreeks invented the astrolabeCompass Rose was inventedSextants came into useJohn Harrison invented chronometersGreenwich adopted as the international Prime MeridianRand McNally published the first map that identifyed highways by numbers.Aerial photography became practical.Periods
The Middle AgesCaptain Edward Belcher mapped the coast of AfricaFerdinand Magellan's men are the first to circumnavigate the globeSurveying techniques were slowly developed
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