He was the last ruler of the Mauryan empire who ruled from 187 to 180 BCE.
Brihadratha was assassinated by his own general, Pushyamitra Shunga, who went on to establish the Shunga Empire.
Brihadratha was the successor of Shatadhanvan who ruled between 195 to 187 BCE.
Important Point
The Maurya dynasty was established by Chandragupta Maurya and this dynasty dominated the Indian subcontinent between 322 and 185 BCE.
The Mauryan empire was extended over more than 5 million square kilometres which made it the largest political entity that has existed in the Indian subcontinent.