[citation needed] King Chulalongkorn intended to give his son, Prince Mahidol Adulyadej, a plot of land on Pathumwan Road for the building of a private residence.
[1] Queen Savang Vadhana the prince's mother moved out of the Grand Palace and built a residence on the land.
After Prince Mahidol's permanent return to Siam in 1928, he lived at the Sa Pathum Palace with his wife Princess Srinagarindra and his mother.
The royal wedding of Prince Mahidol Adulyadej and Sangwan Talapat (later Srinagarindra) was held at Sa Pathum Palace on 10 September 1920.
The royal wedding of King Bhumibol Adulyadej and Sirikit Kitiyakara was held at Sa Pathum Palace on 28 April 1950.