Concept:Buddhist councils were convened to preserve and codify the Buddha's teachings. Three councils were held within present‑day Bihar, while one was held elsewhere.
Explanation:The First Buddhist Council took place at Rajgriha (Rajgir, Bihar) soon after Buddha’s death.
The Second Buddhist Council was held at Vaishali (Bihar) about 100 years later.
The Third Buddhist Council convened at Pataliputra (Patna, Bihar) during Ashoka’s reign.
The Fourth Buddhist Council was held in Kashmir (or Jalandhar) under King Kanishka – not in Bihar.
Thus, only the Fourth Council was held outside Bihar.
Answer:D. Fourth