A principality of Terengganu, the state was established in 1780 following the crowning of a Terengganuan prince, Tengku Kadir as the Raja (King of) Palembang Besut.
Based on the narration by Kisah Pelayaran Abdullah ke Kelantan and Tuhfat al-Nafis, Besut was founded by a group of Pattani and Sumatran pilgrims led by Che Latif, a Palembangese chief.
To resolve this issue, Che Latif negotiated for a relocation program for the natives, he offered fishing equipments to the community as compensation for their transfer.
The Orang Asli agreed to relinquish their rights on the territory and departed for Hulu Besut where they established new settlement in the hinterland.
The reign of Tengku Ali witnessed the growing intervention pertaining to the domestic Besut administration from the Terengganuan central government.
On arrival, they were met by a Besut resistance movement led by Tengku Ali, who was supported by an assembly of Kelantanese militia ready to launch an attack.
[2] Sultan Omar then petitioned his objection letter to the King of Siam and the Governor of Singgora, he also warned the Kelantanese government not to interfere with his dependencies.
He then launched an 8,000-man army commanded by General Panglima Besar Orang Kaya Megat Seri Mahkota Raja (Wan Ab.
It was also during his rule that Besut witnessed the role of Islam continuing to flourish in the area with the establishment of religious institutions, various waqfs, police stations, among other.
It was recorded that the Royal Commissioner from Terengganu often visited the town to obtain materials for the Bunga Mas tribute procession to Bangkok.
Following the demise of Tengku Long, Besut was directly ruled from Terengganu with the subsequent Royal Commissioners were not of the Palembangese lineage.