Rooms have been restored to show village life over the centuries, down to the elaborate tile stoves that provided winter heat, and still do for many families.
Armenian architecture and miniature painting have dominated Armenian artistic production and have shown consistent development over the centuries.
The castle had been built on the site of an old fortress, and the stone floor had been worn smooth in places, showing the patterns of traffic over the centuries.
The usage of these two languages showed important changes over the centuries.
They show several warmer periods over the centuries, and a cool trend of nearly 300 years that ended when temperatures rose in the 1970's.
There is, though, ample evidence showing considerable changes in Karoo fauna and flora over the last three centuries.
Even their impervious plastic spines showed evidence of frequent use over the centuries.
However sceptics argued that is was inaccurate and misleading because it failed to show the variations over the centuries and much of the earlier information was based on vague data like tree rings.
The following table shows population development over the centuries for Wahnwegen, with some figures broken down by religious denomination:
The following table shows population development over the centuries for Thallichtenberg.