Black Russia

historical

(historical) A former principality in Eastern Europe.

Japanese Meaning

歴史的な東欧にあった旧公国

Historians uncovered rare manuscripts that shed new light on the political structure of Black Russia.

歴史家たちは、黒ルテニアの政治構造に新たな光を当てる稀少な写本を発見した。

Sense（1）

(historical) A former principality in Eastern Europe.