Case of the Union of Liberation of Belarus
The Case of the Union of Liberation of Belarus (Russian: Дело «Союза освобождения Белоруссии», romanized: Delo "Soyuza osvobozhdeniya Belorussii") was a political and criminal case initiated by the GPU of the Byelorussian Soviet Socialist Republic against several Belarusian scientists and culture activists. The case formed part of a wave of Soviet repressions in Belarus in 1929–1931.
Source: Wikipedia — Case of the Union of Liberation of Belarus (CC BY-SA 4.0)