Ashoka was the most famous Mauryan ruler. He was the son of Bindusara and grandson of Chandra Gupta Maurya. He was a frightening warrior and an able administrator.
During the expansion of his empire, Asoka led a war against Kalinga on the east coast of India in the present-day state of Odisha.
Despite his success he was devastated by violence of the war. Consequently, he gave up violence and turned to Buddhism.
He spread dharma far and wide by putting up edicts and appointing Dharma Mahamattas.
He sent messengers including his son mahendra, daughter Sanghamitra to other countries such as Greece, Egypt, Srilanka.
Despite Ashoka's vigorous exertions of faith, he was tolerant of other religions. The empire enjoyed remarkable prosperity during his reign.