Mezhraiontsy or Mezhraionka, usually translated as the interdistrictites (from the Russian "mezh-", for example "inter-", and "raion", for example "district"), officially RSDRP (Internationalists), was a small Petrograd-based group within the Russian Social Democratic Labor Party, which existed between 1913 and 1917. It merged with the Bolsheviks during the Russian Revolution of 1917. Background Russian social democrats had been split into numerous factions along political and ethnic lines sin… (More on Mezhraiontsy)