In January 1912, Kamenev helped Lenin and Zinoviev to convince the Prague Conference of Bolshevik delegates to split from the Mensheviks and Otzovists.
En xaneiro de 1912, Kamenev axudou a Lenin e a Zinoviev a convencer os delegados na Conferencia Bolxevique de Praga para separarse dos menxeviques e dos otzovists.