Passing to later times, we can watch a theory of monotheism rising, and dying down again, during what our scholars distinguish as the Brahmanical period of Indian religion.
For many centuries the culture and development of the Hindus depended mainly on the interaction of the old Brahmanical religion and Buddhism.
The higher castes murmured, and many of them left him, for he taught that the Brahmanical threads must be broken; but the lower orders rejoiced and flocked in numbers to his standard.
400; his successor Hsiian Tsang, about 650, states that it then contained twenty Buddhist monasteries and five Brahmanical temples.
The origin of this kingdom, famous alike in the political and religious history of India, is lost in the mists of antiquity; and though the Brahmanical Puranas give lists of its rulers extending back to remote ages before the Christian era, the first authentic dynasty is that of the Saisunaga, founded by Sisunaga (c. 600 B.C.), whose capital was at Rajagaha (Rajgir) in the hills near Gaya; and the first king of this dynasty of whom anything is known was Bimbisara (c. 528 B.C.), who by conquests and matrimonial alliances laid the foundations of the greatness of the kingdom.