The Dipavamsa refers to three visits to the Island by the Buddha, the places being: Kelaniya, Dighavapi, the place where the Bo-sapling was later planted within the Maha Mewna-uyana (Park) of Anuradhapura.
The Dīpavaṃsa and Mahāvaṃsa and their historical development in Ceylon, translated into English by Ethel M. Coomaraswamy, Colombo 1908.
According to traditional Sri Lankan chronicles (such as the Dipavamsa), Buddhism was introduced into Sri Lanka in the 4th century BCE by Venerable Mahinda, the son of Indian Emperor Ashoka, during the reign of Sri Lanka's King Devanampiya Tissa.
According to Dipavamsa and Mahavamsa, Thera Mahinda came to Sri Lanka from India on the full moon day of the month of Poson (June) and met King Devanampiyatissa and the people, and preached the doctrine.