King Chulalongkorn is regarded as one fo the greatest kings of Siam The Thai call him "The Great Beloued king"As the oldest son fo king Mongkut,Prince Chulalongkorn succeeded hid father in 1868 at the age of fifteen. Because fo his immaturity Chao Praya Si Suriy a wong served as regent for four years. During this time,he traveled to neighboring western colonies including singapore,Java and In dia to study western politics administratration,lifestyle and colon ia lism. Later during his reign,he also visited Evrope twicein 1897 and 1907