# Mongkut

_King of Siam from 1851 to 1868_

Canonical: https://diginpl.com/people/mongkut
Last updated: 2026-11-06

> Mongkut, posthumously honoured as King Mongkut the Great was the king of Siam from the Chakri dynasty, titled Rama IV. He reigned from 1851 until his death in 1868. Although the term "Siam" had long been used by foreigners to refer to the kingdom, the title "King of Siam" came to be formally adopted during his reign, particularly in official and diplomatic contexts.

## Quick facts

- **Born:** 18 October 1804 ([Wikidata](https://www.wikidata.org/wiki/Q312849#P569))
- **Place of birth:** Thonburi Province ([Wikidata](https://www.wikidata.org/wiki/Q312849#P19))
- **Died:** 1 October 1868 ([Wikidata](https://www.wikidata.org/wiki/Q312849#P570))
- **Place of death:** Grand Palace ([Wikidata](https://www.wikidata.org/wiki/Q312849#P20))
- **Citizenship:** Thailand ([Wikidata](https://www.wikidata.org/wiki/Q312849#P27))
- **Occupation:** monarch ([Wikidata](https://www.wikidata.org/wiki/Q312849#P106))
- **Spouse:** Debsirindra; Pannarai; Princess Piyamavadi ([Wikidata](https://www.wikidata.org/wiki/Q312849#P26))
- **Positions held:** King of Thailand (1 April 1851 – 1 October 1868) ([Wikidata](https://www.wikidata.org/wiki/Q312849#P39))
- **Awards:** Order of the Nine Gems; Order of the White Elephant ([Wikidata](https://www.wikidata.org/wiki/Q312849#P166))

## Questions

**When was Mongkut born?**  
Mongkut was born on 18 October 1804 in Thonburi Province.

**What positions has Mongkut held?**  
Positions held by Mongkut include: King of Thailand (1851–1868).

## Related

- [Bhumibol Adulyadej](https://diginpl.com/people/bhumibol-adulyadej)
- [Chulalongkorn](https://diginpl.com/people/chulalongkorn)
- [Vajiravudh](https://diginpl.com/people/vajiravudh)
- [Ananda Mahidol](https://diginpl.com/people/ananda-mahidol)
- [Rama I](https://diginpl.com/people/rama-i)
- [Ramkhamhaeng](https://diginpl.com/people/ramkhamhaeng)

## Sources

- [Wikipedia (English): Mongkut](https://en.wikipedia.org/wiki/Mongkut) — [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)
- [Wikidata item Q312849](https://www.wikidata.org/wiki/Q312849) — [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/)
- [Image: First King of Siam MET DP-573-001 (cropped).jpg by John Thomson (CC0)](https://commons.wikimedia.org/wiki/File:First_King_of_Siam_MET_DP-573-001_(cropped).jpg)

## Licence and attribution

Text from the Wikipedia article Mongkut, licensed under CC BY-SA 4.0. This page's text is shared under the same licence. Facts from Wikidata (CC0). Image: First King of Siam MET DP-573-001 (cropped).jpg — John Thomson, CC0.

## Cite this page

"Mongkut". DigiNepal. Last updated 6 November 2026. https://diginpl.com/people/mongkut. Retrieved 7 November 2026.