Collaborative team deciphers ancient mystery

Another example of the immense benefits brought by collaboration between specialists of different fields, in this case classical philologists, mathematical historians, and expert surveyors.

A 2nd century map of Germania by the scholar Ptolemy has always stumped scholars, who were unable to relate the places depicted to known settlements. Now a team of researchers have cracked the code, revealing that half of Germany’s cities are 1,000 years older than previously thought.

The founding of Rome has been pinpointed to the year 753. For the city of St. Petersburg, records even indicate the precise day the first foundation stone was laid.

Historians don’t have access to this kind of precision when it comes to German cities like Hanover, Kiel or Bad Driburg. The early histories of nearly all the German cities east of the Rhine are obscure, and the places themselves are not mentioned in documents until the Middle Ages. So far, no one has been able to date the founding of these cities.

That may now be changing. A group of classical philologists, mathematical historians and surveying experts at Berlin Technical University’s Department for Geodesy and Geoinformation Science has produced an astonishing map of central Europe as it was 2,000 years ago.

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