The first coronation took place on November 11, 1868, under the title “Phrabatsomdech Phraparamindra Mahachulalongkorn Phra Chulachomklao Chaoyuhua.” Because he was only 16 years old, Somdech Chaophrayaborommaha Srisuriyavongse was appointed the King’s Regent. Prince Bovornvijaijan, the elder son of the Second King Pinklao was appointed the Viceroy under the title “Kromphrarajavangbovorn Vijaijan