B. C.
| 624 | Birth of Prince Siddhartha |
| 589 | The Enlightenment of the Buddha |
| 544 | Passing away of the Buddha Reign of King Ajatasatta of Magadha First Buddhist Council at the mountain Vihara, Rajagaha |
| 444 | Second Buddhist Council at Valukaramaya,Vesali Reign of King Kalasoka of Magadha First schism in the Buddhist Order |
| 264 | Reign of the Emperor Aśoka |
| 247 | Third Buddhist Council at Aśokaramaya-Pataliputra Sending of Buddhist missionaries to nine countries (Kashmir Gandhara,Mahisamandala, Vanavasa, Aparantaka, Maharattha, Yonakarattha (Greece), Himalaya, Suvannabhumi (Lower Burma, Cambodia & Siam), and Tambapanni (Sinhaladvipa or Sri Lanka) |
| 240 | Prince Kustana - son of Dharmaśoka founded a Buddhist kingdom of Khotan in Central Asia |
| 211 | First Buddhist Monastery in Khotan, Central Asia |
| 101 | Reign of king Dutthagamini in Sinhaladvipa (Sri Lanka) Beginning of the architectural creations of rock-cut Cave temples in India (Ajanta, Ellora, Nasik, Junnar, Bhaja, Karle, Kanheri) |
| 44 | Ven. Nagasena teaches the Dhamma to King Menander (Bactrian king) in Sialkot. |
| 29 | Oral tradition of Doctrine changed into writing form in Sinhaladvipa |
A. D.
| 67 | Introduction of Buddhism to China |
| 78 | Reign of King Kanishka in North India Fourth Buddhist Council in Kashmir |
| 320 | A Sinhalese monastery established at Buddha Gaya by Sinhalese King Sri Meghavanna (304-333 CE) |
| 372 | Introduction of Buddhism to North Korea by a Chinese monk |
| 386 | Wei dynasty in China - Buddhism became the state religion in China |
| 420 | Translation of Buddhist Vinaya texts from Sanskrit to Chinese |
| 431 | Ven. Gunawarman’s Buddhist mission to China, Vietnam and Java. Java became a Buddhist country |
| 458 | Arrival of Ven. Buddhaghosa, the great Pali Commentator in Sri Lanka & commencement of writing Commentaries |
| 502 | Ven. Bodhidharma, founder of the Chan sect in China (It is called Dhyāna Sect in India & Zen Sect in Japan) |
| 552 | Introduction of Buddhism into Japan from Korea |
| 617 | Official introduction of Buddhism into Tibet, Reign of King Sron-btsan-gampo |
| 714 | Reign of (Buddhist dynasty) Pala kings of Bengal Establishment of Buddhist Universities in India (Nalanda, Odantapuri, Vikramasila) |
| 775 | Progress of Mahayana Buddhism of Sri Vijaya Kingdom (in Java, Sumatra and in other parts of Indonesia) |
| 982 | Great Tibetan scholar Atīśa or Dīpaṃkara Śrī Jñāna (982-1054 CE) |
| 1010 | Buddhism became a state religion in Vietnam (Ly dynasty) |
| 1057 | Buddhist Council in Tibet with the great scholars of Atīśa (or Dīpaṃkara Śrī Jñāna), Milarepa and Marpa |
| 1181 | Establishment of Sinhala Order of Buddhist monks in Burma (Sīhala Saṅgha Sect) |
| 1368 | Decline of Buddhism in China - Ming dynasty in China |
| 1753 | Higher-ordination (Upasampadā) brought from Thailand to Sri Lanka |
| 1872 | Fifth Buddhist Council at Mandalay, Burma |
| 1880 | Arrival of Henry Steele Olcott (American scholar) in Sri Lanka |
| 1881 | Founding of the Pali Text Society, London by Prof. Rhys Davids |
| 1885 | Design of Buddhist flag by Henry Steel Olcott with the help of Sinhalese monks and other scholars |
| 1891 | Establishment of The Mahabodhi Society by Anagārika Dharmapāla |
| 1893 | Intemational Conference of World Religions - Chicago |
| 1900 | First expedition of Sir Aurel Stein in Chinese Turkistan or Central Asia. (He unearthed more than 20,000 manuscripts related to Buddhism, Astrology and Medicine in his third expedition) |