Tây Son dynasty

State · 1775–1802 CE · at its largest around 1792 CE

A Vietnamese dynasty born from the Tây Son rebellion led by three brothers, which overthrew the Nguyễn and Trinh lords and repelled Siamese and Qing invasions.

On its lands while it lasted

Champa (c. 192–1832 CE): Collection of Cham polities along the coast of central and southern Vietnam, founded around 192 CE and gradually absorbed by Dai Viet.
Quy Nhon (c. 1778 CE): Capital of Tây Son dynasty (1778–1789).
Nguyễn dynasty (1802–1945 CE): Last imperial dynasty of Vietnam, founded by Gia Long in 1802 with its capital at Huế; its last emperor, Bao Dai, abdicated in 1945.