The Bagratuni dynasty was a prominent royal family in ancient Armenia, ruling from the 9th to the 11th centuries. They are known for establishing the first Armenian kingdom after centuries of foreign domination. The dynasty played a crucial role in the cultural and political revival of Armenia, promoting the Armenian language and Christianity. Under the Bagratuni kings, Armenia experienced significant developments in architecture, literature, and art. The most notable king, Ashot I, is often credited with unifying the country and strengthening its defenses against invasions. The dynasty's influence waned in the 11th century, leading to the fragmentation of Armenia into smaller principalities.