Lord Mahavira attained moksha at Pawapuri in Bihar and spent much of his time in the Magadha and Anga regions of ancient Bihar.

The Kosi River flows through northern Bihar districts including Supaul, Araria, and Madhubani, frequently causing floods due to its unpredictable course.

Bihar is one of India's major mica-producing states, with significant deposits in the southern plateau region.

Bodh Gaya is where Siddhartha Gautama attained enlightenment and became Buddha under the Bodhi tree.

The Champaran Satyagraha was led by Gandhi to protest against the indigo plantation system where peasants were forced to grow indigo for European planters.

The Ganga River flows through Bihar and is the most important river for the state's agriculture, irrigation, and economy.

Nalanda University was one of the world's oldest universities and was a major center for Buddhist learning, attracting scholars from across Asia.

Pataliputra was the capital of the Magadha kingdom during the Mauryan Empire under rulers like Chandragupta Maurya and Ashoka.

The terracotta seals and artifacts found at Vaishali bear Brahmi script, which is one of the earliest writing systems used in ancient India during the pre-Mauryan and Mauryan periods.

Bihar has 40 Lok Sabha constituencies, making it one of the states with significant representation in the Indian Parliament after Uttar Pradesh and Maharashtra.