Armenia: Polity Style: 1918-2023 28 May 1918 Armenian representatives are authorised to negotiate a peace treaty on behalf of Hayastani Hanrapetoutʻyoun, resolution of the Armenian National Council passed in Tiflis [now Tbilisi, Georgia] 28 May 1918 - 2 Dec 1920 Hayastani Hanrapetoutʻyoun (Հայաստանի Հանրապետություն) | Republic of Armenia [1][2] 23 Aug 1990 declaration of independent statehood 23 Aug 1990 - Hayastani Hanrapetoutʻyoun (Հայաստանի Հանրապետություն) | Republic of Armenia [3] [1] This style is used publicly after 4 Jul 1918 (see Notes). [2] Continues in dissidence between Feb 1921 and Jul 1921. [3] Between 23 Aug 1990 and 13 Jul 1995 the use of Hayastan (Հայաստան) as alternative polity style is endorsed by the legislation (constitutional provisions incompatible with the changes are suspended 25 Dec 1990). Last updated on: 14 Aug 2019 21:00:00; URL: www.archontology.org/nations/armenia/00_polity.php