The English term Ruthenian, also Ruthene, also Rusyns, Latin Ruthenia, is a well established if sometimes obsolete exonym originally used for the people of Rus, primarily the medieval kingdom of Kievan Rus', comprising parts of modern-day Russia, Belarus, Poland, Slovakia and Ukraine. The term is culturally loaded and has various meanings in different contexts. For example, in 2008 a controversy arose accusing Ruthenian archpriest Dmytro Sidor of the Moscow Patriarchy of anti-Ukrainian separatist activities. Historically, Ruthenian was the ethnonym used for the East Slavic peoples who lived in Rus'. According to the Catholic Encyclopedia the term was used predominantly to refer to East Slavs of the...'
Contributions by Lvivske, Medeis, and Aleksandr Grigoryev.