On October 12 (25) 1905 in Moscow on the initiative of the “Union of Liberation” and the “Union of Constitutionalist-Zemtsy” was opened a founding congress of the Constitutional Democratic Party (Kadets).
On October 12 (25), 1917 the Statute on the Petrograd Military-revolutionary committee was approved during the closed session of the executive committee of the Petrograd Soviet of Workers’ and Soldiers’ Deputies.