Bihar and Orissa Province Bihar and Orissa Province Bihar and Orissa was a province of British India which included the present-day Indian states of Bihar, Jharkhand, and a part of Odisha. The territories were conquered by the British in the 18th and 19th centuries, and were part of the Bengal Presidency, the largest British province in India. On 22 March 1912 both Bihar and Orissa division were separated from the Bengal Presidency as Bihar and Orissa Province. On 1 April 1936 Bihar and Orissa became separate provinces. In 1756 Bihar was part of Bengal Subah of Mughal Empire while Orissa was a different Subah.
Provinces of Iran was reorganized to form ten numbered provinces with subordinate governorates: Gilan; Mazandaran; East Azerbaijan; West Azerbaijan; Kermanshah; Khuzestan; Fars; Kerman; Khorasan; Isfahan. From 1960 to 1981 the governorates were raised to provincial status one by one. Since then several new provinces have been created, most recently in 2010 when the new Alborz Province was split from Teheran province, and before that in 2004 when the province of Khorasan was divided into three provinces. Provinces of Iran Iran is subdivided into thirty-one provinces ( "Ostān", plural "Ostānhā"), each governed from a local center, usually the largest local city, which is called