Inflection verb, noun, adjective, and adverb, according to its function within a sentence and its relation to surrounding words. The Uralic languages are agglutinative, following from the agglutination in Proto-Uralic. The largest languages are Hungarian, Finnish, and Estonian—all European Union official languages. Uralic inflection is, or is developed from, affixing. Grammatical markers directly added to the word perform the same function as prepositions in English. Almost all words are inflected according to their roles in the sentence: verbs, nouns, pronouns, numerals, adjectives, and some particles. Hungarian and Finnish, in particular, often simply concatenate suffixes. For example, Finnish "talossanikinko" "in my house,
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