==History==Opera began in 1994 as a research project at Telenor, the largest Norwegian telecommunications company.
== Taksonomija ==* "Anguis fragilis" Linnaeus, 1758** "Anguis fragilis fragilis" Linnaeus, 1758** "Anguis fragilis colchicus" (Nordmann, 1840)Podvrsto "Anguis fragilis fragilis" najdemo po vsej Evropi, medtem ko "Anguis fragilis colchicus" najdemo v jogovzhodni Evropi, Kavkazu in Iranu.