Topic summary
Polish–Lithuanian–Ruthenian Commonwealth

Extracted from the Wikipedia article Treaty of Hadiach.
It was designed to elevate the Cossacks (Ruthenians) to a position equal to that of Poland and Lithuania in the Polish–Lithuanian union and in fact transforming the Polish–Lithuanian Commonwealth into a Polish–Lithuanian–Ruthenian Commonwealth (Polish: Rzeczpospolita Trojga Narodów, lit. 'Republic of Three Nations'; Lithuanian: Trijų Tautų Respublika; Belarusian: Рэч Паспалітая трох народаў, romanized: Reč Paspalitaja troch narodaŭ; Ukrainian: Річ Посполита Трьох Народів, romanized: Rich Pospolyta Trʹokh Narodiv).