The Buddhist flag is a flag designed in the late 19th century as a universal symbol of Buddhism. It is used by Buddhists throughout the world.

Hikkaduwe Sri Sumangala Thera was a Sri Lankan Buddhist monk, who was one of the pioneers of Sri Lankan Buddhist revivalist movement in the 19th century. He did a great service to improve the Buddhist Education in the country and was the founder of Vidyodaya Pirivena, Maligakanda in 1873, which was granted the university status later in 1959 by the Government of Sri Lanka. A veteran author and a fiery orator, he was a major figure in the Panadurawadaya, a religious debate held between Christian missionaries and Buddhist monks in 1873 at Panadura, Sri Lanka. He was well versed in Sinhala, Pali, Sanskrit, English, Buddhism, history, arithmetic, and archaeology and was one of the primary sources of information on Buddhism for the success of the Panadura debate.