Uralic languages impetus from the fact that these languages, unlike most of the other languages spoken in Europe, are not part of what is now known as the Indo-European family. In 1717, Swedish professor Olof Rudbeck proposed about 100 etymologies connecting Finnish and Hungarian, of which about 40 are still considered valid. Several early reports comparing Finnish or Hungarian with Mordvin, Mari or Khanty were additionally collected by Leibniz and edited by his assistant Johann Georg von Eckhart. In 1730, Philip Johan von Strahlenberg published his book ("The North and East Parts of Europe and Asia"), surveying the geography, peoples and languages
Uralic–Yukaghir languages has vaguely implied the existence of a Uralic–Yukaghir genetic node, and in this he seems to have been followed by Ruhlen and Greenberg, followed in turn by Bomhard. The actual relations of these languages remain to be scrutinized in detail. No work of synthesis of a definitive nature has appeared on this subject. As in several other cases of this sort (see Ural–Altaic languages), that Uralic and Yukaghir are related has been argued for in some detail, but how they are related remains uncertain. It is therefore not surprising that, at the present time (2009), the validity of the Uralic–Yukaghir