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Ajātasattu plots against his father, and Bimbisāra abdicates

Attested across multiple schools

says to Prince : “In former times people lived long; now life is short. You may kill your father and become king, and I will kill the Blessed One and become the Buddha.” The prince straps a dagger to his thigh and enters the inner palace; his agitated look betrays him and he is seized by the officials. The ministers debate what to do, and some propose killing the prince, Devadatta and all the monks. dismisses the ministers who proposed the killings, asks the prince why he wished to kill his father, and when the prince answers “I wanted the throne”, the king says “If you want the throne, the throne is yours”, and hands the kingship to Ajātasattu.

Different Accounts

How the throne passed: the Pali Vinaya and the Chinese Mahīśāsaka Vinaya have Bimbisāra abdicate of his own accord (only these two schools); the Saṅghabhedavastu of the Chinese Mūlasarvāstivāda Vinaya has the crown prince take the throne after the king was imprisoned; the Chinese Dharmaguptaka Vinaya has Ajātasattu caught entering the palace with a knife, and this passage records no abdication. Devadatta's inciting the prince to seize the throne is recorded by four schools.

More differences between accounts (3)

The Chinese Mahīśāsaka Vinaya has a different order: first the abdication, then the killing of the father, and only after the killing the release of the drunken elephant.

A difference of one year: the Samantapāsādikā says the Buddha passed away in the eighth year after Ajātasattu's accession; counting the year of the passing as the eighth puts the accession in Year 38 after the Awakening, while counting a full eight years puts it in Year 37.

When Bimbisāra himself came to the throne: the Sri Lankan chronicle the Dīpavaṃsa says he succeeded at fifteen after his father's death; the Mahāvaṃsa says his father performed the consecration for him in person while still alive.

Dating

Conjecturally Year 38 after the Awakening, the Buddha aged seventy-two: the Sri Lankan chronicles, the Dīpavaṃsa and the Mahāvaṃsa, say Bimbisāra reigned fifty-two years and was the Buddha's contemporary for thirty-seven; counting from their meeting when the Buddha was thirty-five, his reign ends when the Buddha is seventy-two; the canonical texts themselves say only that it was in the Buddha's later years. This is the result of converting from the Buddha's age; the season is unknown and the year is not certain; the alternative reckoning is Year 37 (the Buddha aged seventy-one).

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Research Notes: Reliability, Dating and Sources
How Reliability Is Assessed

The episode of “Devadatta incites Ajātasattu to seize the throne” is recorded by four schools, the Pali canon of the Southern tradition, the Chinese Dharmaguptaka Vinaya (Sifen lü), the Chinese Mahīśāsaka Vinaya (Wufen lü) and the Chinese Saṅghabhedavastu of the Mūlasarvāstivāda Vinaya. Attested across multiple schools. Within it, “Bimbisāra abdicates of his own accord” is recorded by two schools, the Pali canon of the Southern tradition and the Chinese Mahīśāsaka Vinaya.

Dating Evidence and Precision

Converted from the Buddha's age (reckoned from the Buddha's age). Time precision: year uncertain.

Sources

Back to Year 38 after the Awakening · The Buddha at 72

日期怎麼讀

成道第幾年
從佛陀成道開始,每經過一次雨季安居算一年,每一年算到安居結束為止;所有年歲一律依二十九歲出家、三十五歲成道推算。
年份依據
區分經文自己明記、後世註解書記載、先後順序推定及年歲換算。
時間精確度
分別說明確定到日、月、年,或只能放入某幾年之間。
可信度
多派共傳、兩派記載、單派記載與後世補述,表達記載的共傳範圍;與時間及位置是否確定分開閱讀。