In the 19th century, the Tsarist Government of the Russian Empire claimed that Ukrainian was merely a dialect of Russian and not a language on its own. The differences were few and caused by the conquest of western Ukraine by the Polish-Lithuanian Commonwealth. However, the dialects in Ukraine eventually differed substantially from the dialects in Russia.
পশ্চিম ইউক্রেন জয় করার পর কোন দেশ ইউক্রেনের ভাষাকে পরিবর্তন করেছিল?
Polish-Lithuanian Commonwealth