EntityQ853477· pop 46· linked from 527 articlesLan XangSign in to saveunified kingdom from 1354 to 1707, one of the largest kingdoms in Southeast AsiaKey facts1500400,0001600319,0001700371,000CapitalLuang Prabang (1353–1560), Vientiane (1560–1707)Common languagesLaoReligionTheravada BuddhismGovernmentAbsolute monarchy1353 1385Fa Ngum1373 1416Samsenethai1548 1571Setthathirath1637 1694Sourigna Vongsa1700 1707Setthathirath IIHistorical eraMiddle Ages and Early Modern PeriodI vi t lan xang war 1479 14841479–1484CurrencyLat , Hoivia Wikipedia infoboxArticleToday part ofLaos Vietnam ThailandLan Xang eraRead full article (135 paragraphs)Gallery (11)ConnectionsChao Phraya RiverEntityLaotian RebellionEntityCategories1353 establishments in Asia14th century in Asia15th century in Asia16th century in Asia1707 disestablishments in Asia17th century in Asia2nd millennium in LaosBaiyueBouyei peopleDai peopleFormer countries in Burmese historyFormer countries in Cambodian historyFormer countries in Laotian history