Rama III, also known as King Nangklao, ruled the Kingdom of Siam from 1824 to 1851. He was the third monarch of the Chakri Dynasty and is known for his efforts to modernize the country while maintaining traditional values. His reign saw the expansion of trade and improvements in infrastructure, including roads and canals. During his rule, Rama III focused on strengthening the economy and fostering diplomatic relations with Western nations. He also supported the arts and culture, leading to a flourishing of Thai literature and architecture. His legacy includes the construction of significant temples and public works that remain important to Thailand today.