1863
A guesthouse called the Oriental is recorded on the Chao Phraya, run by two Americans Mandarin Oriental Bangkok
1865
Fire destroys seventy buildings along the Bangkok riverfront, including the Oriental Mandarin Oriental Bangkok
1876
claimed The Oriental Bangkok dates its founding — a date set by the board in 1976 to permit a centenary Mandarin Oriental Bangkok
1881
Hans Niels Andersen, aged 29, buys the Oriental and rebuilds it as the first luxury hotel in Siam Mandarin Oriental Bangkok
1887
The Cardu and Rossi building opens in May — today the Oriental's Authors' Wing Mandarin Oriental Bangkok
1892
Louis Thomas Leonowens, son of Anna Leonowens, becomes proprietor of the Oriental Mandarin Oriental Bangkok
1942
Chatuchak begins in Bangkok by government decree; it grows to fifteen thousand stalls Chatuchak Weekend Market
1949
Chanut Piyaoui opens the Princess Hotel in Bangkok in May — a pool and air conditioning, rare in the city Dusit Thani
1965
Fire destroys seventy buildings on the Bangkok riverfront; the Oriental is rebuilt Mandarin Oriental Bangkok
1967
William Heinecke founds his first companies at seventeen Anantara Hotels & Resorts
1972
The Oriental joins Mandarin International and gives the group its name Mandarin Oriental Bangkok
1993
Boonchu Rojanastien demolishes his Hua Hin beach house to build a retreat Chiva-Som programme
1995
Boonchu Rojanastien opens Chiva-Som at Hua Hin — the first Asian destination spa Chiva-Som
1995
Chiva-Som opens — Asia's first comprehensive wellness resort Chiva-Som programme
2000
Anthony Lark leaves Aman after twelve years and five openings to join Montara Hospitality and design Trisara
2001
Minor launches Anantara, its first proprietary luxury brand Anantara Hotels & Resorts
2004
Trisara opens on Phuket's north-west coast — South East Asia's first all-pool-villa resort, thirty-nine villas and thirty sold privately
2004
SALA opens its first Thai house SALA Hospitality Group
2004
Anthony Lark opens Trisara on Phuket, nine kilometres from Amanpuri
2005
Kamalaya opens on Koh Samui around a monk's cave, and codifies its programme Kamalaya programme
2005
John and Karina Stewart open Kamalaya on Koh Samui around a monk's cave Kamalaya
2008
The Oriental is renamed Mandarin Oriental, Bangkok Mandarin Oriental Bangkok
2015
Six Senses Residences launch Six Senses Residences
2016
Anthony Lark founds the Phuket Hotels Association; it later bans single-use plastics across its members
2018
Six Senses is acquired by IHG for $300m Six Senses Hotels Resorts Spas
2019
Minor gathers its most distinctive houses into the Reserve Collection Minor Reserve Collection
2019
Dusit launches Devarana as its retreat line Devarana — Dusit Retreats
2020
Capella opens on the Chao Phraya at Bangkok
2021
Centara launches Centara Reserve at Samui Centara Reserve