Average annual temperature
Europe Asia North America South America Africa Australia & Oceania
Read more: Average annual temperatureAfrica: from oil to gold
The most valuable export of African countries.
Read more: Africa: from oil to goldWhere 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 more: Where Roman coins have been found in EuropeThe 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 more: The spread of agriculture into EuropeConnectivity Atlas
Infrastructure connects and defines us. The roads, pipelines and Internet cables that deliver our services also shape our opportunities, our
Read more: Connectivity AtlasA 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 more: A map of the wondrous isle of Manhattan (1926)Population 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 more: Population map of ancient China mapped