Last Updated：2025/11/21
The Chuvash Autonomous Oblast was established in June 1920 as an autonomous oblast within the Russian SFSR of the Soviet Union.
See correct answer
The Chuvash Autonomous Oblast was established in June 1920 as an autonomous oblast within the Russian SFSR of the Soviet Union.
音声機能が動作しない場合はこちらをご確認ください
Edit Histories（0）
