Nalanda University was established during the Gupta period in the 5th century CE. It was one of the world's earliest residential universities and became a major center of Buddhist learning.

Emperor Ashoka embraced Buddhism and left several edicts and monuments in Bihar, including the famous Ashoka Stupa at Vaishali. He played a crucial role in spreading Buddhism throughout Asia.

Bodh Gaya is where Gautama Buddha attained enlightenment under the Bodhi tree. The Mahabodhi Temple at Bodh Gaya is one of the oldest brick temples in India and a UNESCO World Heritage Site.

Muzaffarpur district is famous for rice production and is often referred to as the 'Rice Bowl of India'. It is also known for litchi cultivation and contributes significantly to Bihar's agricultural economy.

Pataliputra (modern Patna) was the capital of the Mauryan Empire. It was one of the largest and most prosperous cities of its time and served as the political and administrative center of the empire.

The Lichchhavi Republic had its capital at Vaishali. It was one of the earliest republican states in India. Buddha visited Vaishali multiple times, and it was the site of the Second Buddhist Council.

Mahavira was born in Vaishali district around 599 BCE. He preached non-violence and established the principles of Jainism. Vaishali holds great significance in Jain religious tradition.

Emperor Aurangzeb commissioned the construction of the Patna Mosque (Jama Masjid) in the 17th century. It is one of the largest mosques in India and features prominent Mughal architecture.

The Ghaghara River forms the boundary between Bihar and Uttar Pradesh in the western and northern parts of Bihar. It is a major tributary of the Ganges River.

Chanakya (Vishnugupta) was associated with Takshashila, though he worked closely with the Mauryan court at Pataliputra in Bihar. He was a political theorist and authored the Arthashastra.