I Party Congress was held from 1 to 3 March 1898 in Minsk. Local revolutionary bundovka E. Gurvich, engaged in the organization of the Congress, to find it for half of the houses on the street Zakharjevskaya rented by an employee-Libavo Romensk railroad PV Rumyantsev at Philistine Františka Rzhetskoy. The windows looked out over the river and Svislach Hospital Street. The congress was held under the guise of celebrating birthdays wife Rumyantsev - of Olga. In 1923, in connection with the 25th anniversary of the RSDLP in the house was inaugurated Rzhetskoy House Museum I Party Congress. During the Great Patriotic War the house was burned down during the bombing in 1948 restored. Since 1992 - a branch of the National Museum of History and Culture. The funds of the exhibition halls and more than 400 exhibits. Among the exhibits documents and materials on the occurrence and activity of the first Marxist circles in Russia, the "Emancipation of Labour", "League of Struggle for the Emancipation of the Working Class", a copy of the manifest of the RSDLP, published in Bobruisk, issue of the newspaper "Iskra" and others in the memorial room 1954 restored the situation in 1898: a cuckoo clock, podvsvechniki, lined with photographs, etc.