Sasaram sometimes also spelled as Sahasram, is an ancient historical city and a municipal corporation region with a history that predates the Ramayana period by thousands of years. During the prehistoric age, Buddha walked through this way and lived for some day and then travelled to Gaya to be enlightened with verity and wisdom under the Mahabodhi tree, the city is also known as gateway of "Vihar" to visit rest "Bihar" including Gaya, Rajgriha, and Nalanda.
It has also served as the capital of the Sur dynasty during Shershah Suri ruled over India in 15th Century, and was residence place sub capital of epic monarch Sahstrabahu. The Rohtasgarh fort is one of the world's oldest forts, has served as the capital for several dynasties, Britishers and other rulers, including Shershah Suri and Akbar Governer King Man Singh, as well as the Shashanka and Kharvar empires. The historical fort has been linked to both political and revolutionary activities.It is not only Bihar's, even India's, oldest fort. It was also Shershah Suri's capital palace when he ruled India.