Editing Muay Thai (section)

===15th century===
In 1431 AD,<ref>[[Damrong Rajanubhab]]. (1907). [https://commons.wikimedia.org/wiki/File:%E0%B8%9E%E0%B8%A3%E0%B8%B0%E0%B8%A3%E0%B8%B2%E0%B8%8A%E0%B8%9E%E0%B8%87%E0%B8%A9%E0%B8%B2%E0%B8%A7%E0%B8%94%E0%B8%B2%E0%B8%A3%E0%B8%AF_%E0%B8%89%E0%B8%9A%E0%B8%B1%E0%B8%9A%E0%B8%AB%E0%B8%A5%E0%B8%A7%E0%B8%87%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B9%80%E0%B8%AA%E0%B8%A3%E0%B8%B4%E0%B8%90%E0%B8%AF_-_%E0%B9%92%E0%B9%94%E0%B9%95%E0%B9%90.pdf ''Phraratchaphongsawadan krung kao chabap luang prasoet akson nit''] [Royal Chronicle of Ayutthaya: Luang Prasoet Akson Nit Version] พระราชพงษาวดารกรุงเก่า ฉบับหลวงประเสริฐอักษรนิติ์ (in Thai). Bangkok: Rong Pim Thai. pp. 3–4.</ref> King [[Borommarachathirat II]], the King of [[Ayutthaya Kingdom]], led Siamese forces and included groups of Siamese boxers to assault the Khmers plundering Angkor Thom, also known as the [[Fall of Angkor]] in 1431. King Borommarachathirat II built an inscription of Khun Sri Chaiya Raj Mongkol Thep for the victory monument and Siamese warriors' commemoration, which inscribed a list of Siamese warriors and assault record in the inscription after the Angkor had already been captured, as well as written in ''A Lost Chronicle of Ayutthaya'' by Michael Vickery, stanzas 9–11.<ref>Vickery M. (1977). [https://web.archive.org/web/20240527002834/https://thesiamsociety.org/wp-content/uploads/1977/03/JSS_065_1b_Vickery_2K125FragmentLostChronicleOfAyutthaya.pdf "The 2/K.125 Fragment, A Lost Chronicle of Ayutthaya,"] ''Journal of the Siam Society'', 65(1):10–11, 12–13.</ref>

The inscription of Khun Sri Chaiya Raj Mongkol Thep (N.M. 78, Face 2) 1431 AD reads:

{{Blockquote|text={{lang|en|King Borommarachathirat II of Ayutthaya commanded his warrior, Khun Sri Chaiya Raj Mongkol Thep, to march four military forces to assault [[Angkor Thom]], [[Phimai Historical Park|Phimai]], and [[Phanom Rung Historical Park|Phanom Rung]] to become states under his endless mandate. The King then assigned Khun Sri Chaiya Raj Mongkol Thep, groups of Siamese boxers (Muay), and military forces with elephants and horse battalions to the retreat procession to the Kingdom of Ayutthaya.<ref name="Phakdikham.2014">Phakdikham S. (2014). Yutthamakkha: senthang dœn thap Thai-Khamen [Yutthamakka: Marching Route of Thai forces to Khamen] ยุทธมรรคา เส้นทางเดินทัพไทยเขมร (in Thai). Bangkok: Matichon. p. 69. {{ISBN|978-974-0-21342-0}} {{LCCN|2014314690}}</ref>{{refn|group=Note|The original text is transliterated in Thai: สมเด็จพระอินทรามหาบรมจักรพรรดิธรรมิกราชเป็นเจ้าให้ขุนศรีไชยราชมงคลเทพเอาจตุรงค์ช้างม้ารี้พลไปโจมจับพระนครพิมายพนมรุ้งเป็นราชเสมาแลราบทาบดังพระมโนสากัลป์แลจึงจะละพระราชเสาวนีย์หาขุนศรีไชยราชมงคลเทพแดฝูงมวยลูกขุนทั้งหลาย เอาช้างม้ารี้พลถอยคืนมา<ref name="Phakdikham.2014"/>}}}}
|multiline=yes
|author=King Borommarachathirat II
|source=the inscription of Khun Sri Chaiya Raj Mongkol Thep (1431)
}}

From 1455 AD in the Ayutthaya period, Muay Thai was officially integrated with Siamese royal courts of Ayutthaya<ref>Siyaphai, K. (2007). ''Pritud Muay Thai ปริทัศน์มวยไทย'' (in Thai). Bangkok: Matichon. p. 18. {{ISBN|978-974-3-23910-6}}</ref> called The King's Guard Department ({{langx|th|กรมทนายเลือก}})<ref>The Royal Vajirajan Library by Order of H.R.H. Prince [[Damrong Rajanubhab]]. (1964). ''The Concise of Royal Chronicle Vol. 14 (Chapter 22-25) of the Characteristics of ancient Military Conscription ประชุมพงศาวดาร เล่ม ๑๔ (ประชุมพงศาวดาร ภาคที่ ๒๒-๒๕) เรื่อง ลักษณะเกณฑ์ทหารอย่างโบราณ'' (in Thai). Bangkok: Kuru Sa Pha. p. 138.</ref> since the reign of King [[Borommatrailokkanat]] enacted the Law of the Military and Provincial Hierarchy 1998 BE (1455 AD),<ref>Chalermtiarana, T. et al. (2016). ''The Palace law of Ayutthaya and the Thammasat Law and Kingship in Siam: Studies on Southeast Asia Series No. 69''. Ithaca, NY: Cornell Southeast Asia Program Publications. p. 5. {{ISBN|978-087-7-27769-9}}</ref> which consisted of two director generals with noble titles, Khun Phakdeeasa ({{langx|th|ขุนภักดีอาสา}}) and Khun Yothaphakdee ({{langx|th|ขุนโยธาภักดี}}) in the hierarchy. There were countless skilled Siamese boxers in The King's Unarmed Guard Division ({{langx|th|กรมนักมวย}}),<ref>Damrong Thammasan (Mi), Luang. (1899). ''Kotmai mai prakat phraratchabanyat kao mai sung khong chai yu nai patyuban ni Vol. 1''. Bangkok: Bamrungnukunkit. p. 226.</ref> a sub-division of The King's Guard Department, picked from competition by the king to be his private guards and patrol the royal palace as major missions.<ref>Ministry of Education Thailand, Division of Culture. ''Warasan Watthanatham Thai'', 8(1968):36.
* Kritphet, T., Thai Studies Center, Chulalongkorn University Thailand. (1994). ''Phatthanakan khong phalasuksa nai Prathet Thai rawang Pho. So. 2325-2525. Part 1''. Bangkok: Chulalongkorn University. p. 37.</ref> The boxing competitions occur in peace situations as well as to safeguard the king at war.

There was also the law mentioned of Muay in the reign of King [[Ekathotsarot]] (1590–1605), called Miscellaneous Laws (Phra Aiyakan Betset),<ref name="dpe-2016"/>{{rp|48}} which states:

{{Blockquote|text={{lang|en|CLAUSE 117: ARTICLE I. Second-class people who fight by boxing (Muay) or wrestling, which then results in injuries or death, cannot be penalized...<ref name="dpe-2016"/>{{rp|48}}{{refn|group=Note|In Thai: 117 มาตราหนึ่ง ชนชั้นสองเป็นเอกจิกเอกฉันท์ตีมวยด้วยกันก็ดี แลปล้ำกันก็ดี แลผู้หนึ่งต้องเจ็บปวดก็ดี ขั้นหักถึงแก่มรณภาพก็ดี ท่านว่าหามีโทษมิได้...<ref>Muntalumpa M. (2018). ''Problems of Legal Issues and Enforcement of Boxing Sport Act B.E. 2542 : Study on Corruption and Qualification of People in Thai Boxing Circle''. [Master Dissertation Sripatum University School of Law, Bangkok]. Sripatum University Repository: [http://dspace.spu.ac.th/handle/123456789/5527 http://dspace.spu.ac.th/handle/123456789/5527]. p. 40.</ref>}}}}
|multiline=yes
|author= Phra Aiyakan Betset enacted by King Ekathotsarot
|source=The Three Seals Law (Tra Samduang Law 1978: 438-439)
}}

The well-known Siamese boxers during the Ayutthaya period include King [[Naresuan]], King [[Suriyenthrathibodi]], and Nai Khanom Tom.