 The Bolshevik faction grew in strength; by the spring, the whole RSDLP Central Committee was Bolshevik, and in December they founded the newspaper "Vpered" ("Forward").In January 1905, the Bloody Sunday massacre of protesters in St. Petersburg sparked a spate of civil unrest in the Russian Empire known as the Revolution of 1905.Lenin urged Bolsheviks to take a greater role in the events, encouraging violent insurrection.