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 languages part of Uralic. Meanwhile, in the autonomous Grand Duchy of Finland, a chair for Finnish language and linguistics at the University of Helsinki was created in 1850, first held by Castrén. In 1883, the Finno-Ugrian Society was founded in Helsinki on the proposal of Otto Donner, which would lead to Helsinki overtaking St. Petersburg as the chief northern center of research of the Uralic languages. During the late 19th and early 20th century (until the separation of Finland from Russia following the Russian revolution), a large number of stipendiates were sent by the Society to survey the still less known