The Russian Social Democratic Labour Party, also known as the Russian Social Democratic Workers' Party or the Russian Social Democratic Party, was a socialist political party founded in 1898 in Minsk,
Elected Social Democrats in the Second Duma election of 1907
The 5th Congress of the Russian Social Democratic Labour Party was held in London between May 13 and June 1, 1907. The 5th Congress had the largest attendance of the Congresses of the unified RSDLP. T
Brotherhood Church at Southgate Road in London, where congress sessions took place.
Bolshevik delegates at the 5th Congress of the RSDLP (Note that Fyodor Sergeyev did not actually participate at this Congress)