10 Baht: 36th birthday of princess Sirindhorn April 2
Date: 2534BE= 1991AD
10 Baht: 80th birthday of king's mother October 21
Date: 2523 BE= 1980AD. The king's mother Srinagarindra was born in 1900 and died in 1995. She was also mother to king Rama VIII, Ananda Mahidol.
10 baht: Graduation of princess Sirindhorn
This was the first time someone from the royal house had graduated from a Thai university. This coin was minted in 2527 BE or 1977 AD.
She obtained a Bachelor of Arts in History (First Class Honor, Gold Medal) from Chulalongkorn University in 1976, and a Master of Arts in Oriental Epigraphy (Sanskrit and Cambodian) from Silpakorn University in 1978 with the thesis entitled 'The Inscriptions Found at Prasad Bnam Run (Prasat Phnom Rung)'. She also obtained a Master of Arts in Pali and Sanskrit from Chulalongkorn University in 1980 with the thesis entitled 'Dasaparami in Theravada Buddhism'.
In Thailand, she is often referred to as the "Princess of Technology" or the "Princess of Information Technology", due to her interest and expertise in applying science for the country's development.Besides her passion for technology, she holds degrees in history and a doctorate in Educational Development. She speaks fluent English, French, and Chinese,in addition to Thai, and is currently studying German and Latin. Princess Sirindhorn has a very good background in Chinese culture, as well as other oriental cultures.