Researchers in Bulgaria have discovered what they claim to be Europe's oldest town.
Seems to have been a centre of salt production dating back to an astonishing 4200 to 4700 BC and home to some 350 people.
To put it in some kind of time context it pre-dates the (obviously much, much larger) Ur of the Sumerians by some centuries.
Evidence of high structures built out of solid stone blocks have been found.
Here's a picky...
http://www.bbc.co.uk/news/world-europe-20156681