Russian Constituent Assembly
The All Russian Constituent Assembly (Russian: Всероссийское учредительное собрание, romanized: Vserossiyskoye uchreditelnoye sobraniye) was a constituent assembly convened in Russia after the October Revolution of 1917. It met for 13 hours, from 4 p.m.
Source: Wikipedia — Russian Constituent Assembly (CC BY-SA 4.0)