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
Paleo-European languages have occurred, with Uralic languages expanding in from the east. In particular, while the Sami languages of the indigenous Sami people belong in the Uralic family, they show considerable substrate influence, which is thought to represent one or more extinct original languages. The Sami are estimated to have adopted a Uralic language less than 2500 years ago. Some traces of indigenous languages of the Baltic area have been suspected in the Finnic languages as well, but they are much more modest. There are early loanwords from unidentified non-Indo-European languages in other Uralic languages of Europe, as well. Paleo-European languages The