Tây Sơn Dynasty

The name Tây Sơn ( Vietnamese:  [təj ʂəːn], Vietnamese: Nhà Tây Sơn, Hán Việt: 西山朝 Tây Sơn triều) is used in Vietnamese history in various ways to refer to the period of peasant rebellions and decentralized dynasties established between the end of the figurehead Lê dynasty in 1770 and the beginning of the Nguyễn dynasty in 1802. The name of the rebel leaders' home district, Tây Sơn, came to be applied to the leaders themselves (the Tây Sơn brothers: i.e., Nguyễn Nhạc, Huệ, and Lữ), their uprising (the Tây Sơn Uprising) or their rule (the [Nguyễn] Tây Sơn dynasty).

In When the Cold Breeze Blows Away,they returned in Second Vietnam War,thanks to Unified Soviet Red Assault Command and the National Liberation Front of South Vietnam restore after Rally in South Central Coast (USRAC War)

Later,they being recognized as an independent country with have both ancient tactical and modern technology,they declared to become Tay Son Nation,a new generation for support Vietnamese peasants by emperor Quang Trung (who has been revived with 2 Tay Son brothers) and president of Tay Son Nation.