How long did the Maurya Dynasty last?
Maurya Empire
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Sophagasenus was an Indian Mauryan ruler of the 3rd century BCE, described in ancient Greek sources, and named Subhagasena or Subhashasena in Prakrit. His name is mentioned in the list of Mauryan princes, and also in the list of the Yadava dynasty, as a descendant of Pradyumna. He may have been a grandson of Ashoka, or Kunala, the son of Ashoka. He ruled an area south of the Hindu Kush, possibly in Gandhara. Antiochos III, the Seleucid king, after having made peace with Euthydemus in Bactria, went to India in 206BCE and is said to have renewed his friendship with the Indian king there: