King Bimbisara was an ancient Indian ruler of the Magadha kingdom, known for his significant contributions to the early development of Indian civilization. He reigned during the 5th century BCE and is often credited with establishing a strong centralized government and expanding his territory through strategic alliances and conquests. Bimbisara was also a contemporary of the Buddha and played a crucial role in the spread of Buddhism. He was one of the first patrons of the Buddha, providing support and protection to the early followers of the religion, which helped in its growth and establishment in the region.