1946 Bihar riots and 1940s; in the 1945 alone, 1,809 riots took place in Uttar Pradesh, and 3,176 riots took place across the country in 1946. On 16 August 1946, the All-India Muslim League proclaimed Direct Action Day in Calcutta, as part of their demand for a separate state for Muslims. Major riots ensued across the city, with 4,000 people being killed. These riots triggered communal violence across the country, including in Bihar. The Noakhali riots that occurred from 10–21 October also provoked violence in Bihar. The trigger for the riots that occurred in June was a dispute concerning a false allegation that
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