Stalin began using the OGPU (Soviet secret police) to infiltrate and discredit the opposition
Text from Wikipedia, available under CC BY-SA 4.0.
- #wikipedia
- #event
- #corroborated
Stalin began using the OGPU (Soviet secret police) to infiltrate and discredit the opposition
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-15 from Wikipedia. The archived copy is preserved so this citation survives link rot.