Beyond Good and Evil by Friedrich Nietzsche Chapter 7 Page 16

according to which a people, a community, or an individual has lived, the “divining instinct” for the relationships of these valuations, for the relation of the authority of the valuations to the authority of the operating forces), — this historical sense, which we Europeans claim as our specialty, has come to us in the train of the enchanting and mad semi-barbarity into which Europe has been plunged by the democratic mingling of classes and races — it is only the nineteenth century that has recognized this faculty as its sixth sense.

Owing to this mingling, the past of every form and mode of life, and of cultures which were formerly closely contiguous and superimposed on one another, flows forth into us “modern souls”; our instincts now run back in all directions, we ourselves are