The Thai Wikipedia (Thai: วิกิพีเดียภาษาไทย) is the Thai language edition of Wikipedia. It was started on 25 December 2003. As of April 2024, it has 163,826 articles and 473,924 registered users.^[1] As of March 2022, Wikipedia (all languages combined) was ranked 14th in Alexa's Top Sites Thailand.^[2]

You can help expand this article with text translated from the corresponding article in Thai. (August 2011) Click [show] for important translation instructions. View a machine-translated version of the Thai article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Thai Wikipedia article at [[:th:วิกิพีเดียภาษาไทย]]; see its history for attribution. You should also add the template {{Translated|th|วิกิพีเดียภาษาไทย}} to the talk page. For more guidance, see Wikipedia:Translation.

Quick Facts Type of site, Available in ...

Thai Wikipedia

Type of site	Internet encyclopedia project
Available in	Thai, Southern Thai
Headquarters	Miami, Florida
Owner	Wikimedia Foundation
Created by	Thai wiki community
URL	th.wikipedia.org
Commercial	No
Registration	Optional

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As of January 2021, the Thai Wikipedia is the most visited Wikipedia in both Thailand and Laos.^[3] In Laos the position of the most popular language version of Wikipedia alternates between English and Thai.

On 31 January 2006, the Thai Wikipedia was first recognized along with English Wikipedia in the Thai press. In 2007, a thesis, Thai Wikipedia and Communicating Knowledge to the Public, was published by a graduate student from the Faculty of Fine and Applied Arts, Chulalongkorn University.

The Thai Wikipedia was mentioned during a public forum during the 2005-2006 Thai political crisis when a speaker suggested that Thai people should read Wikipedia's article on Thaksin Shinawatra, the former prime minister.^[4]

The Thai Wikipedia is the second online encyclopedia in the Thai language after the Thai Junior Encyclopedia Project, which was developed under the patronage of King Bhumibol Adulyadej.

• 25 December 2003: The Thai main page created after first created on 16 March 2003 with the word "Describe the new page here."
• 27 December 2003: The first article created containing only one word "ดาราศาสตร์" (astronomy) and 32 interwiki links. After that it became a stub on 31 May 2004.
• 28 February 2004: The real first article, วิทยาการคอมพิวเตอร์ (computer science), was created.
• 21 April 2004: 100th article, ห้องอนาคต (Time & Time Travel, a fiction)
• 17 August 2004: 500th article, สนเกรวิลเลีย (Grevillea)
• 10 March 2005: 1,000th article, แฮร์รี่ พอตเตอร์ (Harry Potter)
• 1 May 2005: The first featured article, แฟร็กทัล (fractal)
• September 2005: More than 30 university students registered and wrote articles as their homework.
• 28 October 2005: 5,000th article, เปาบุ้นจิ้น (Bao Zheng)
• 31 January 2006: Press coverage in onopen.com
• March 2006: Mass content addition of articles about years from 543 BC (Buddhist Era 1) to about 1800 semi-manually by using JavaScript. About 2,500 stubs are added.
• 14 March 2006: 10,000th article, มหาวิทยาลัยเพนซิลเวเนียสเตต (Pennsylvania State University)
• 16 March 2007: 20,000th article, อาริเอส มู (Aries Mu)
• 10 December 2007: 30,000th article, หลิว เต๋อหัว (Andy Lau)
• 26 October 2008: 40,000th article, ฤทธิ์ดาบไม้ไผ่ (Bamboo Blade)
• 4 September 2009: 50,000th article, พระนันทะ (Nanda, half brother of Buddha)
• 30 January 2016: 100,000th article, คริสต์ทศวรรษ 1940 (1940s)