Do you know which nut is one of the oldest varieties of nut in Europe?

Historical relics have revealed that our ancestors from as far back as the Neolithic Age consumed hazelnuts. The nuts kept well, making them a very important food. Since the hazelnut plant is very robust, it was able to rapidly re-propagate itself after the last Ice Age. Ten thousand years ago, it was specifically indigenous to regions north of the Alps and the forested areas of central Europe. Today, it is also widespread in German gardens.