Ashoka
Hindus in 19th century say that there was Ashoka who created Akhand Bharat by conquering many nations. He too had to go through a bloodbath. After a few years, his idea of akhandta didn't work either. There was mahabharta too. Over 50 nations in southasia invading each other.
series of columns in the Indian subcontinent, inscribed with edicts by Mauryan king Ashoka