The attached set of overlays summarize the last 40,000 years of history in central east Europe. This part of Europe, centered on Romania was home to an ancient high level civilization 7,000 years ago. Since then the area has been at the nexus of migrations from Asia into Europe which spawned the Celtic, Greek and Italian cultures. Later Germanic, Hun and Magyars invasions ushered in the european dark ages. The maps continue up to the 20'th century.
This detailed set of overlays comes from the
Eliznik Romanian history site.
A few clues from the Old Europeans remain:
Beautiful art
Pottery
Goddess worship

Temples as seen in pottery from the period
Untranslated
script
village life