Who lasted from 320bc to about 185bc?

The Maurya Empire in ancient India lasted from approximately 322 BC to 185 BC. Founded by Chandragupta Maurya, it reached its peak under Emperor Ashoka, known for his promotion of Buddhism and non-violence. The empire played a significant role in the political unification of the Indian subcontinent and contributed to the spread of culture and trade. The Maurya Empire eventually declined, leading to the fragmentation of power in the region.