An unofficial traffic sign An unofficial traffic sign Share The dialect known as Helsinki slang was born in the 1890s as a colloquial language that united different language groups. It features loanwords from many languages, especially from Swedish, but also from Russian, German and English. Show on map Photographer Helsinki City museum / Merja Wesander Finna.fi record Open in Finna(Link leads to external service) Formats Photo Image Authors Wesander, Merja Copyrights CC BY 4.0 Buildings Helsinki City Museum