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Buddha died in 486 B.C. Shortly after the Buddhist council was called in an ancient Indian city named Rajagrha. The reason for this council was to create a doctrine that all Buddhist would follow and agree on. However, all Buddhists did not agree on believing one doctrine. Many issue did not resolve so this debate led to the splitting of Buddhism into several different schools and sects.
• there are five sects of Buddhism. But there are two nikayas which most of people admire .