Kingdom of Luang Phrabang
A treaty was signed on 7 May 1886 between Siam and France recognizing Siamese suzerainty over Luang Prabang and neighboring Lao kingdoms.A particularly destructive attack during the Haw wars by the Chinese Black Flag Army in 1887 saw King Oun Kham request French protection.Siam was forced to accept the French ultimatum, to cede the lands east of the Mekong including its islands.The French Protectorate of Laos was officially established, with the administrative capital moved from Luang Prabang to Vientiane.[3] In January 1896, France and the United Kingdom signed an accord recognizing the border between French Laos and British Burma.