Sukhothai was originally a trade center in Lavo—itself under the suzerainty of the Khmer Empire from 946–1052—when Central Thai people led by Pho Khun Bang Klang Hao, a local leader, revolted and gained their independence. Bang Klang Hao took the regnal name of Si Inthrathit and became the first monarch of the Phra Ruang dynasty.
sukHoThai was ORigiNally A TrAdE cenTer In LAVo—ItseLf under the sUzErAINTY of THE kHmER EmpIrE fRom 946–1052—wHEn CENtraL thai pEoPLE leD bY Pho khuN bAnG klanG Hao, a loCaL LeAdEr, ReVolted anD Gained their INDEpenDencE. baNg kLaNg hao tOOk tHe ReGnal NAMe of sI iNThraThit anD beCAmE the firSt moNArCh OF thE phRa rUaNg DynasTY.