Where Roman coins have been found in Europe
Roman currency comprised gold, silver, bronze, orichalcum, and copper coins. From its introduction to the Roman Republic, during the 3rd century B.C., well into Imperial times, Roman currency saw numerous changes in form, denomination, and composition. A persistent trait was the inflationary debasement and replacement of coins over the times. Well-known examples of this followed the reformations of Diocletian.
Read MoreThe spread of agriculture into Europe
Neolithic agriculture spread from the Levant and Zagros mountains of the Near East to Egypt, the Iranian Plateau, and Europe between 10,000 and 6,000 years ago.
Read MoreConnectivity Atlas
Infrastructure connects and defines us. The roads, pipelines and Internet cables that deliver our services also shape our opportunities, our
Read MoreA map of the wondrous isle of Manhattan (1926)
Farrow’s map of Manhattan is full of interesting details well rendered, all of which contribute to an outstanding design and
Read MorePopulation map of ancient China mapped
As beginning as 2 C.E. during the Han dynasty, China had about 60 million citizens. It is almost 1/4 of the globe’s population at that time. Historical changes of increase and drop had China’s population between 37 and 60 million for at least the following one thousand years before starting to grow fast.
Read MoreDenmark plotted by every mapped stream & river
Map created with open-source QGIS using data for 1.35 million streams from 1:250000 scale European Environment Agency Catchments and Rivers
Read More