Question: When was Burma's name changed to that of the country on the natural boundary between the country that hosted the tournament and the country where That Dam is from?

<P0-S0> Myanmar (also known as Burma) is the northwestern-most country of mainland Southeast Asia, bordering China, India, Bangladesh, Thailand and Laos. <P0-S1> It lies along the Indian and Eurasian Plates, to the southeast of the Himalayas. <P0-S2> To its west is the Bay of Bengal and to its south is the Andaman Sea. <P0-S3> It is strategically located near major Indian Ocean shipping lanes. <SEP> <P1-S0> Of the 47 AFC member associations, a total of 44 teams entered the competition. <P1-S1> The final tournament hosts Thailand decided to participate in qualification despite having automatically qualified for the final tournament. <SEP> <P2-S0> in english, the country is popularly known as either "burma" or "myanmar" i/ˈmjɑːnˌmɑːr/. <P2-S1> both these names are derived from the name of the majority burmese bamar ethnic group. <P2-S2> myanmar is considered to be the literary form of the name of the group, while burma is derived from "bamar", the colloquial form of the group's name. <P2-S3> depending on the register used, the pronunciation would be bama (pronounced: [bəmà]) or myamah (pronounced: [mjəmà]). <P2-S4> the name burma has been in use in english since the 18th century. <SEP> <P3-S0> The stone is from the reign of Kyaswa, (1234 - 1250) son of King Htilominlo (Nadaungmya), Bagan. <P3-S1> Ma Thanegi records that the first use of the name 'Mranma' for the country is to be found on a 3 feet (91 cm) high stone inscription dated 597 ME (Traditional Burmese calendar) or 1235 CE. <P3-S2> It is written in early Burmese script. <P3-S3> Although the middle of the front side of this stone is damaged, the first line of the better - protected reverse side clearly shows မြန်မာပြည် (``Mranma kingdom ''). <P3-S4> The inscription is known as the 'Yadana Kon Htan Inscription'. <P3-S5> At present it is in Bagan recorded as stone number 43 in the Archaeological Department's collection. <SEP> <P4-S0> That Dam (Lao ທາດດຳ, meaning Black Stupa) is a large stupa located in Vientiane, Laos. <P4-S1> Many Laotians believe it is inhabited by a seven-headed nāga who tried to protect them from an invasion by the Siamese army in 1827. <SEP> <P5-S0> the fifa council went back and forth between 2013 and 2017 on limitations within hosting rotation based on the continental confederations. <P5-S1> originally, it was set that bids to be host would not be allowed from countries belonging to confederations that hosted the two preceding tournaments. <P5-S2> it was temporarily changed to only prohibit countries belonging to the confederation that hosted the previous world cup from bidding to host the following tournament, before the rule was changed back to its prior state of two world cups. <P5-S3> however, the fifa council did make an exception to potentially grant eligibility to member associations of the confederation of the second - to - last host of the fifa world cup in the event that none of the received bids fulfill the strict technical and financial requirements. <P5-S4> in march 2017, fifa president gianni infantino confirmed that ``europe (uefa) and asia (afc) are excluded from the bidding following the selection of russia and qatar in 2018 and 2022 respectively. <P5-S5> ''therefore, the 2026 world cup could be hosted by one of the remaining four confederations: concacaf (north america; last hosted in 1994), caf (africa; last hosted in 2010), conmebol (south america; last hosted in 2014), or ofc (oceania, never hosted before), or potentially by uefa in case no bid from those four met the requirements.