Pataliputra was the capital of the Mauryan Empire and was associated with all major Mauryan emperors including Chandragupta Maurya, Bindusara, and Ashoka.

The Kosi River originates from the Himalayas in Nepal and is known for causing devastating floods in Bihar. It is called 'Sorrow of Bihar' due to its destructive nature.

Bihar has several wildlife sanctuaries including Valmiki National Park in West Champaran, Rajgir Wildlife Sanctuary in Nalanda, and Bhimbandh Wildlife Sanctuary in Munger.

Bihar was separated from Bengal and established as a separate administrative unit in 1912. In 2000, Jharkhand was carved out from Bihar.

Bihar covers an area of 94,163 square kilometers, making it one of the smaller states by area in India.

The Ghaghara River forms the northern boundary between Bihar and Uttar Pradesh.

Madhubani district is renowned for its traditional Mithila paintings, a distinctive folk art form with origins in Hindu mythology and nature themes.

AIIMS Patna was established in 2012 as part of the Government of India's initiative to expand quality medical education and healthcare in tier-II cities.

The correct administrative hierarchy in Bihar is: State (governed by Chief Minister) > Division > District (governed by Deputy Commissioner) > Block > Panchayat (gram-level governance).

The Champaran Satyagraha (1917) in Bihar was primarily about peasant exploitation by British indigo planters. Gandhi's intervention helped secure justice for peasants forced to grow indigo at exploitative rates.