Tajna historia XX wieku (series)
- User score: 8
- Production country: Poland
- Creator: Bogusław Wołoszański
- Genre: Documentary, War & Politics
- Release date: 1/2/2014
- Release date of last episode: 1/2/2020
- Series status: Returning series
- Seasons count: 6 ( List of episodes )
- Episodes count: 82
- Run time: 22 min.
Actors
