Estonia: Chairman of the Constituent Assembly: 1919-1920 Asutava Kogu esimees | Chairman of the Constituent Assembly [1] 23 Apr 1919 - 20 Dec 1920 August Rei [1] In accordance with the Provisional Constitution of Estonia (effective 9 Jul 1919 - 20 Dec 1920), the government was charged with supreme power, while Chairman of the Constituent Assembly was named the "legal representative of the Republic." Last updated on: 12 May 2023 09:15:10