Phra Bat Somdet Phra Poramintharamaha Chulalongkorn Phra Chunla Chom Klao Chao Yu Hua (Thai: พระบาทสมเด็จพระปรมินทรมหาจุฬาลงกรณ์ฯ พระจุลจอมเกล้าเจ้าอยู่หัว), or Rama V (20 September 1853 – 23 October 1910) wis the fift monarch o Siam unner the Hoose o Chakri. He wis kent tae the Siamese o his time as Phra Phuttha Chao Luang (พระพุทธเจ้าหลวง - The Royal Buddha). He is considered ane o the greatest kings o Siam. His reign wis characterized bi the modrenization o Siam, immense government an social reforms, an territorial cessions tae the Breetish Empire an French Indocheenae. As Siam wis threatened bi Wastren expansionism, Chulalongkorn, through his policies an acts, managed tae save Siam frae being colonized. Aw his reforms wur dedicatit tae Siam’s insurance o survival in the midst o Wastren colonialism, so that Chulalongkorn earned the epithet Phra Piya Maharat (พระปิยมหาราช - The Great Belovit King).

Chulalongkorn
จุฬาลงกรณ์
Keeng Rama V
Keeng o Siam
Ring1 October 1868 – 23 October 1910
Coronation11 November 1868 (1st)
16 November 1873 (2nt)
PredecessorMongkut (Rama IV)
SuccessorVajiravudh (Rama VI)
RegentSi Suriyawongse (1868–1873)
Saovabha Phongsri (1897)
Vajiravudh (1907)
Vice KeengBowon Wichaichan (1868–1885)
Born20 September 1853(1853-09-20)
Grand Pailace, Bangkok, Siam
Dee'd23 October 1910(1910-10-23) (aged 57)
Amphorn Sathan Residential Hall
Dusit Pailace, Bangkok, Siam
SpouseSunanda Kumariratana
Sukumalmarsri
Savang Vadhana
Saovabha Phongsri
an 32 ither consorts an concubines (116 in tot)
Issue33 sons an 44 dochters
HooseChakri Dynasty
FaitherMongkut (Rama IV)
MitherDebsirindra
ReleegionBuddhism
SeegnaturChulalongkorn จุฬาลงกรณ์'s signature