sentences:  Historically, this event coincides with the destruction of Akkad by the Gutian dynasty of Sumer in 2115 BC, a time when Hayk may have left with the "more than 300 members of his household" as told in the legend, and also during the beginning of when a Mesopotamian Dark Age was occurring due to the fall of the Akkadian Empire in 2154 BC which may have acted as a backdrop for the events in the legend making him leave Mesopotamia.Several Bronze Age cultures and states flourished in the area of Greater Armenia, including the Trialeti-Vanadzor culture, Hayasa-Azzi, and Mitanni (located in southwestern historical Armenia), all of which are believed to have had Indo-European populations.The Nairi confederation and its successor, Urartu, successively established their sovereignty over the Armenian Highlands.