Atiba vs Chao Sai Setthathirath

After the destruction of the old capital Oyo-Ile by the Fulani jihadists, Atiba moved the capital south to a new location, Ago Oja, which he renamed Oyo (New Oyo). This relocation saved the Oyo kingdom from complete collapse and allowed it to survive as a rump state under Atiba's rule.

Atiba reorganized the Oyo government, establishing a new council of chiefs and a more centralized administration in the new capital. He also redefined the role of the Alaafin, balancing power with the Oyo Mesi (kingmakers) to prevent future internal conflicts that had weakened the old empire.

Setthathirath moved the capital of Lan Xang from Luang Prabang to Vientiane, a strategic location on the Mekong River. This shift centralized power and facilitated trade, but also exposed the kingdom to threats from Ayutthaya and Vietnam.

Setthathirath ordered the construction of the That Luang stupa in Vientiane, which became the most important Buddhist monument in Laos. The stupa symbolized the unity of the Lao people and the central role of Buddhism in the kingdom.

Setthathirath successfully repelled an invasion by the Burmese Toungoo Empire, which had conquered Ayutthaya. He used guerrilla tactics and fortified positions to defend Lan Xang, preserving its independence during a period of regional instability.

Setthathirath disappeared during a military campaign against the Khmer Empire. His body was never found, leading to legends about his fate. His death plunged Lan Xang into a succession crisis and eventual decline.