The idea of a Soviet as an organ to coordinate workers' strike activities arose during the January-February 1905 meetings of workers at the apartment of Voline (later a famous anarchist) during the abortive revolution of 1905 [REF].
Trotsky claims, in his book 1905, that the first meeting "of what was to become the Soviet was held on the evening of the thirteenth [ October 13, 1905 ], in the Technological Institute.