After unifying the region with his kingdom in the early 8th century BC , king Argishtis I of Urartu resettled many of its inhabitants in his newly built city of Erebuni ( modern day Armenian capital Yerevan ) .
After unifying the region with his kingdom in the early 700s BC , king Argishtis I of Urartu resettled many of its inhabitants to his newly built city of Erebuni ( modern day Armenian capital Yerevan ) .