Ugrasena was the King of Mathura, a kingdom that was established after the various factions of Yadava, Vrishni and Bhoja clans decided that the dividing states would unite as one and that the Kingship wouldn't be subject to heredity (but could be) and if decided not to be so, the succeeding leader would be chosen by a simple majority, therefore, a semi-democracy was established. When the groups gathered, the uniting factions decided to throne Ugrasena as the king due to his skills in warfare and… (More on Ugrasena)