[1][3] During World War I, Mamońka served as a telegraph operator at the headquarters of the XII Russian Imperial Army.

[2][3] In 1918 he was one of the founders, together with Paluta Badunova and Tamaš Hryb, of the Belarusian Party of Socialist Revolutionaries [be-tarask].

[2][4] Between 1922 and 1928 Mamońka lived in exile in Czechoslovakia, Lithuania and Latvia but in September 1928 decided to return to Soviet Belarus.

He was arrested at the border by the Joint State Political Directorate (OGPU) and later sentenced to 10 years in the Gulag prison camps.

[1][2][3] He is buried in a mass grave of Gulag victims in the  Sandarmokh forest massif in Russia’s Republic of Karelia.