Estonia: Chairmen of the Provisional Diet: 1917-1919

Ajutise Maanõukogu esimees \| Chairman of the Provisional Diet [1]
1/14 Jul 1917 - 12/25 Oct 1917	Artur Vallner
12/25 Oct 1917 - 15/28 Nov 1917	Otto August Strandman
15/28 Nov 1917 - 20 Nov 1918	dissolution period [2]
Ajutise Maanõukogu abiesimees \| Vice-Chairman of the Provisional Diet (ex officio) [3]
20 Nov 1918 - 27 Nov 1918	Jüri Jaakson [4]
Ajutise Maanõukogu esimees \| Chairman of the Provisional Diet
27 Nov 1918 - 3 Feb 1919	Aadu (Ado) Birk
3 Feb 1919 - 23 Apr 1919	Kaarel Parts [5]

The name of the Diet was formally approved by its resolution of 5/18 Jul 1917: Eesti Ajutine Maanõukogu (in Russian: Vremennyj Èstljandskij Gubernskij zemskij sovet, Временный Эстляндский губернский земский совет). Also in official use (in Estonian): Maapäev.
The Diet held its last meeting 15/28 Nov 1917 before it was prevented from holding sessions by a military revolutionary committee in Tallinn, representing the Soviet Russian government.
When the Diet reconvened in Tallinn 20 Nov 1918, Strandman who had been appointed a minister of the Provisional Government did not resume his office as chairman of the Diet.
In office as Vice-Chairman of the Provisional Diet: 12/25 Oct 1917 - 27 Nov 1918.
The Diet held its last meeting 6 Feb 1919 when it passed a resolution to delegate its authority to the Council of Elders (Vanematekogu) which continued to hold meetings to 13 Apr 1919.