Session of the Supreme Tribunal at the All-Russian Central Executive Committee on the case of the Right Social Revolutionaries in the Column Hall of the House of Unions. The accused. Spectators. Speakers: A. V. Lunacharsky, G. L. Pyatakov, N. V. Krylenko, M. N. Pokrovsky, Kurt Rosenfeld (defender of the Second International), Jacques Sadoul (French communist).