King Bhumibol Adulyadej, also known as Rama IX, was the ninth king of the Chakri Dynasty in Thailand. He was born on December 5, 1927, and reigned from 1946 until his death in 2016, making him the longest-serving monarch in Thai history. His reign was marked by significant economic development and modernization in Thailand. King Bhumibol was highly respected and loved by the Thai people. He was known for his dedication to rural development and his numerous projects aimed at improving the lives of his citizens. His efforts in promoting agriculture, education, and public health earned him the title of "Father of the Nation."