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.

Southern Bihar, particularly in areas like Gaya and Aurangabad, is characterized by tropical deciduous forests which shed leaves in the dry season.

Valmiki National Park, located in West Champaran district, is primarily dedicated to the conservation of wild water buffalo (Bubalus bubalis arnee) along with other species.

Patna district consistently shows one of the highest literacy rates in Bihar, being the state capital with better educational infrastructure and awareness.