One of the main museums of Belarus dedicated to the socialist history of the country.
The exposition was opened in 1923 during the 1st congress of the RSDLP and covers:
- The important history of the congress and its participants;
- Gendarmes inquiries;
- Social and political movements of the late 19th and early 20th centuries;
- The daily life of the provincial Minsk;
- The history of the museum and its activities;
- The activities of Belarusian writers, who lived here in the 1920s.