Vajirunhis

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Vajirunhis วชิรุณหิศ
Crown Prince of Siam
Crown Prince of Siam
Tenure	14 January 1887 – 4 January 1895
Appointer	Chulalongkorn (Rama V)
Predecessor	Position established (Wichaichan as Vice King)
Successor	Vajiravudh (later Rama VI)
Born	(1878-06-27)27 June 1878 Bangkok, Siam
Died	4 January 1895(1895-01-04) (aged 16) Bangkok, Siam
House	Chakri dynasty
Father	Chulalongkorn (Rama V)
Mother	Savang Vadhana
Religion	Theravada Buddhism
Signature

Maha Vajirunhis, Crown Prince of Siam (Thai: มหาวชิรุณหิศ; RTGS: Maha Wachirunnahit; 27 June 1878 – 4 January 1895) was the first Crown Prince of the Chakri dynasty. He was the first son of King Chulalongkorn and Queen Savang Vadhana together, who were half-siblings.

The King built a palace for the Prince, nicknamed Windsor Palace. The European-style palace was demolished after his death. The site is now occupied by the National Stadium of Thailand.