Ruthenia

Ruthenia is a former Czechoslovakia province that was located in the present-day Czech Republic and Slovakia).

The term Ruthenian had a broader meaning, signifying the Ukrainian inhabitants of Austria, Austria-Hungary and Poland. As the national boundaries shifted over the years, so did Ruthenia, but after World War II it was part of the Ukrainian Soviet Socialist Republic, which was a founding member of the Soviet Union until both broke up in 1991.