The Yarlung Dynasty was an ancient Tibetan dynasty that is believed to have been established in the 7th century. It is known for unifying various tribes in the region and laying the foundation for the Tibetan Empire. The dynasty's most notable ruler was Songtsen Gampo, who is credited with introducing Buddhism to Tibet and promoting cultural and political advancements. Under the Yarlung Dynasty, Tibet expanded its territory and influence, establishing diplomatic relations with neighboring regions. The dynasty played a crucial role in the development of Tibetan identity and governance, leading to the creation of the Tibetan script and the spread of Buddhism throughout the region.