Mahapadma Nanda, who has been described as "the destroyer of all the Kshatriyas", defeated the Panchalas, Kasis, Haihayas, Kalingas, Asmakas, Kurus, Maithilas, Surasenas and the Vitihotras; to name a few.
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Chandragupta Maurya (Sandrakottos) (324–301 BC), the greatest emperor of ancient India, founded the Mauryan Empire after defeating both the Nanda Empire and the Macedonian Seleucid Empire