Summary

Portal:47th Cabinet of Thailand,  Translation:Royal Decree Establishing Sirindhorn District… (1991)

“ Section⁠3.⁠Kham Khuean Kaeo subdistrict of Khong Chiam district, and Khan Rai subdistrict, Chong Mek subdistrict, Nikhom Sang Ton-eng Lam Dom Noi subdistrict, Non Ko subdistrict, and Fang Kham subdistrict of Phibun Mangsahan district, Ubon Ratchathani province, shall be separated [from their districts] to form a district called "Sirindhorn district", with a district office established in Nikhom Sang Ton-eng Lam Dom Noi subdistrict. ”
Source: Wikisource

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