Buddhism originated in India around 500 B.C., when the Indian prince
Siddhartha Gautama attained enlightenment and became the Buddha (Enlightened
One) at Bodhgaya, only some eight million still practice the belief in
several centuries, Buddhism dominated India, with adherents in almost every
part of the subcontinent. However, having reached its height in the fifth
century AD, it was all but eclipsed by the time of the Muslim conquest.
- Rough Guide