Third Buddhist Council

The Third Buddhist Council (referred to in Pali literature as the Tatiya Sangiti) was convened around 250 BCE at the height of the Mauryan Empire. It was organized to address internal corruption, heretical infiltration, and growing sectarian divisions within the Buddhist Sangha. Following Emperor Ashoka’s conversion to Buddhism and his immense financial support for the faith, Buddhist monasteries were flooded with wealth. This attracted thousands of non-Buddhist ascetics (such as Ajivikas and Brahmins) who entered the Sangha without proper ordination to enjoy state patronage. These infiltrators introduced their own theological views, corrupting the original teachings (Dhamma). The ideological discord grew so severe that orthodox monks refused to perform the bi-monthly confessional ritual (Uposatha) alongside heretical monks. Consequently, no Uposatha festival was celebrated at the premier Asokarama monastery for seven consecutive years. To resolve this structural deadlock, Ashoka recalled the highly revered elder Acharya Moggaliputta Tissa from retirement to purge the Sangha and restore order.

Core Organizational Framework

The council was structured around a centralized imperial framework, demonstrating the direct use of Mauryan state administrative power to enforce religious orthodoxy.

• The Venue: Convened at the Asokarama Monastery in Pataliputra (modern-day Patna, Bihar), the capital city of the Mauryan Empire.
• Royal Patronage: Financed, protected, and personally attended by Emperor Ashoka of the Mauryan Dynasty.
• The Presidency: Presided over by Acharya Moggaliputta Tissa, a brilliant intellectual, senior elder, and spiritual mentor to Emperor Ashoka.
• Composition: Attended by approximately 1,000 select orthodox monks, leading to its alternate historical designation as the Sahasrika Sangiti (Council of the One Thousand).

Imperial Purge and Theological Debates

Before opening the formal council, Emperor Ashoka and Moggaliputta Tissa conducted an imperial audit of the entire monastic population.

The Examination Protocol

Ashoka assembled the monks and questioned each individual regarding the core doctrines taught by the Buddha: “What did the Buddha teach?” * The heretical infiltrators responded with eternalist, materialist, or dualistic doctrines. Moggaliputta Tissa identified these responses as heretical.

• The orthodox monks responded that the Buddha was a Vibhajjavadin (a teacher of analysis or analytical discrimination).

The Purge

Based on this audit, Ashoka defrocked approximately 60,000 heretical monks, forcing them to wear white lay garments and expelling them permanently from the monasteries, thereby cleansing the institutional Sangha.

Literary and Doctrinal Outcomes: The Kathavatthu

Following the purge, the remaining 1,000 orthodox monks sat for nine months to re-verify the canon. The major intellectual and literary output of this council was the finalization of the Tripitaka (The Three Baskets).

1. Compilation of the Abhidhamma Pitaka

The third basket of the Pali Canon, the Abhidhamma Pitaka, was formally completed during this council. It provides a systematic, scholastic, and psychological analysis of the teachings found in the Sutta Pitaka.

2. Authorship of the Kathavatthu (Points of Controversy)

Acharya Moggaliputta Tissa composed and incorporated a specific text within the Abhidhamma Pitaka called the Kathavatthu. Written in a dynamic dialogue format, this text systematically refutes 218 distinct heretical and heterodox arguments raised by various non-orthodox schools, establishing the philosophical boundaries of the Vibhajjavada (Theravada) tradition.

Global Dissemination: The Ashokan Dhamma Missions

At the conclusion of the Third Council, Moggaliputta Tissa and Emperor Ashoka realized that protecting Buddhism required expanding it beyond the geographical borders of Magadha. They dispatched nine diplomatic and spiritual missions across the known world:

Epigraphic and Historical Evidence Matrix

The details of the Third Buddhist Council and its aftermath are corroborated by prominent archaeological and epigraphic records:

The Sanchi and Sonari Casket Inscriptions

Archaeologists discovered soapstone relic caskets at Sanchi and Sonari inscribed with the names of Moggaliputta Tissa, Majjhima, and Kassapagotta. The inscriptions explicitly label them as “teachers of the Himalaya region,” providing direct archaeological verification of the global missions recorded in the Sri Lankan Pali chronicles (Mahavamsa and Dipavamsa).

The Schism Edicts

Ashoka’s Minor Pillar Edicts at Sarnath, Sanchi, and Kosambi reinforce the actions taken at the Third Council. The inscriptions declare: “The Sangha cannot be divided by anyone. Whosoever breaks the Sangha, be it monk or nun, shall be made to wear white robes and dwell in a non-monastic place.”

Quick-Reference Summary Matrix for Prelims