Yung-cen “Iyaw a kamu ວຽງຈັນ, masaLowma tu,Vieng Chan”, Cowng-kow-talu Wan-syang han, u kahenulan satabakiay a tukay nu Liyaw-kow, tini i Yung-cen a kakitizaan, tini i Mey-kong a sa’wac, laed nu Mey-kong a sa’wac atu masasuayaw tu lang-kay-hu nu Tay-kow.
1563 a mihcaan, Lan-cang kanatalay a Say-ta-ti-la a hungti pala kahenulan a tukay, malaliyas tu ku Lan-canng, mala kahenulan a tukay nu Wan-syang a kanatal. 1827 a mihcaan maalaw tu nu Syen-low a hitay, matenes nayi’ tu ku mikuwanay macebes tu, katukuh 1899 a mihcaan kya muliyaw pastizeng.
kamu nu Lyaw a ngangan nu kitizaan “ວຽງຈັນ” nu Alatin niyul han ku sulit Vieng Chan, kanatalay a ngiha “ʋíəŋ tɕàn” midebungay nu Ba-kow duduc tu kamu nu Ba-kow u nanam misulit Vientiane han. “ວຽງ” “Vieng” u sicabengay a niyazu’ sa ku imi, “ຈັນ” “Chan” u “sibuladay” atu “ Tan-mu” sayay a imi, uyni cudad nu Lyaway makayzaay madayumay tu sulid nu cudad.
nikaawas tahkal nu piazih atu sulit nu Lyaw miseng tu sulit nu Tay, patatenga’ ຈັນ nu Tan-mu “จันทน์” cayay ku bulad “จันทร์” sakasa “Yung-cen” a imi u Tan tukay han. zuma, makayzaay i Ban a sulit चन्दनम्, u imi Tan-mu han, kasumamadan a sulit nu Cong-kow pabelin u “Can- Tan han”, yan i kamu nu Layak u cabeng sa, u niyazu’ han, namahiza iza ku migikiway uyni nipabelinan a ngangan “yen can” han.
Yung-cen i cudad nu Cong-kow mapangangan cow-own-tan, yung-tyan. Yen-nan a nisulita “tana-s-lu” u yen-cen “Yen-nan a kamu, Viêng Chăn/ Yen-cen”, Wan-syang “Yen-nan a kamu, Vạn Tượng/wan-syang”.
caay kahapinang ku saayaway a likisi nu Yung-cen, hakay ayaw nu kung-yen tu 4 se-ci masanga’ay tu. 1354 a m kihcaan Ba-ang patizeng tu Lan-cang a kanatal zikuz, Yung-cen mala u kahenulan a sakawawan nu tukay, nika caay ku caay ku angangan nu tukay. acaay cumudan nu men-ten, Say-ta-ti-la a hungti i 1560 a mihcaan anganng nu tukay makay Mung-su-wa “nu ayzaay Lang-pow-la-pang” mabulaw tayza i Yung-cen, satu mala u angangan tu nu Lang-cang.
1707 a mihcaan, Lang-cang a kanatal malaliyas mala u Lang-pow-la-pang, Wan-syang can-pa tulu a kanatalan, zuma Wan-syang a kanatal u angangangan nu Yungcen. 1779 a mihcaan Syan-low midebung i Lyaw-kow, Wan-syang a kanatal mala adidi’ay tu nu Syan-low.
saayaway tu 19 a seci, Wan-syang a hungti Caw-a-nu palekal tu hitay paculi tu Syan-low Wan-syang a kanatal, belbelan masaenal tu ku Yung-cen, zuma a tademaw, zaysang, samiya mahamin maalaw patayzaen i Syan-low. satu caay ku Si-sa-ke-s dada’ uzuma a s-yen iza henay, nayi’ tu ku mikuwanay macebes tu.
ayaw tu 20 a se-ci, midebungay nu Ba-kow sakapah han misanga’ ku Yung-cen, misapinang mala Liya nu mipupuay tu kanatal a tatenga’ay angangan nu kanatal, u nipalekal angangan nu Lang-pow-la-pang, Lyaw a hungti pacena’ i Lang-pow-la-pang a mueneng. 19975 a mihcaan zikuz mapabelin ku Lyaw a kanatal, Yung-cen mala tademaw tu nu Lyaw angangan nu kanatal u tademaw amin ku situngusay nu kanatal.
Yung-cen u hamin nu kanatal u cayay kakatuud nipatizeng i capi nu kanatalay a angangan nu kanatal. tini i teban a sa’wac nu Mey-kung, laed tu sa’wac nu Mey-kung caay kakatukuh i 1,600 kung-li, Yung-cen nu Lyaw a kanatalay a cen-ce, keyzay, saculilan. tukayay a tademaw pakala tu 70 a emaw “2005 a mihcaan”, pasu lilisay a kitizaan pakala tu 73 a emang ku tademaw.