Home›1658 in the Polish–Lithuanian Commonwealth›Duchy of Ruthenia🌐EnglishEnglishEspañolFrançaisPolskiPortuguêsРусскийالعربيةEntityQ15712750· pop 12· linked from 24 articlesDuchy of RutheniaMonarchy proposed in 1658Available in 12 languagesFrançaisРусскийPortuguêsالعربيةbe_x_oldBelarusianCroatianEstonianHungarianConnectionsTreaty of HadiachEntityKyivEntityCategories1658 in the Polish–Lithuanian Commonwealth17th century in the Cossack HetmanateFormer monarchies of EuropeHistorical geography of UkraineProposed countriesRuthenians in the Polish–Lithuanian Commonwealth