when did bihar bifurcate from bengal and some parts of chota nagpur merged into bengal
1912
title: Chota Nagpur Division text: Chota Nagpur Division Chota Nagpur Division, also known as the South-West Frontier, was an administrative division of British India. It included most of the present-day state of Jharkhand as well as adjacent portions of West Bengal, Orissa, and Chhattisgarh. Chota Nagpur division was a hilly and forested area. The region came under the control of the British in the 18th and 19th centuries, and was annexed to the Bengal Presidency, the largest province of British India. After the Kol rebellion of 1831-2, the division was exempted by Regulation XIII of 1833 from the general laws and regulations governing Bengal, and title: History of Bangladesh text: the Partition of Bengal was announced in July 1905 by the Viceroy of India, Lord Curzon. The partition took place on 16 October 1905 and separated the largely Muslim eastern areas from the largely Hindu western areas. The former province of Bengal was divided into two new provinces "Bengal" (comprising western Bengal as well as the province of Bihar and Orissa) and Eastern Bengal and Assam with Dacca as the capital of the latter. Partition was promoted for administrative reasons: Bengal was geographically as large as France and had a significantly larger population. Curzon stated the eastern region was neglected title: Bengal text: influx of Hindus from East Pakistan after partition. It became a Union Territory of India in November 1953. It was granted full statehood with an elected legislature in July 1963. An insurgency by indigenous people affected the state for several years. The Left Front ruled the state between 1978 and 1988, followed by a stint of Indian National Congress rule until 1993, and then a return to the Communists. The Barak Valley joined the union of India after its partition from Sylhet in 1947 and has been a part of the state of Assam. One of the most significant events title: History of Bangladesh text: Muslims of East Bengal. Their support was motivated by both their poor economic conditions in East Bengal, and the perceived dominance of the Hindu businessmen and landlords in West Bengal over the governance of Bengal. Due to political protests, the two parts of Bengal were reunited in 1911. A new partition which divided the province on linguistic, rather than religious grounds followed, with the Hindi, Oriya and Assamese areas separated to form separate administrative units: Bihar and Orissa Province was created to the west, and Assam Province to the east. The administrative capital of British India was moved from Calcutta title: Partition of Bengal (1905) text: lieutenant- governor of East Bengal, Sir Bampfylde Fuller. Around the time of 1907 Punjab unrest, the soldiers of Jat paltan revolted and sided with Bengali revolutionaries to takeover the government treasurery. Their revolt was crushed by British colonists and several Jat soldiers had to suffer long imprisonment sentences. Due to these political protests, the two parts of Bengal were reunited on 12 December 1911. A new partition which divided the province on linguistic, rather than religious grounds followed, with the Hindi, Oriya and Assamese areas separated to form separate administrative units: Bihar and Orissa Province was created to the west,