History of Bihar 22 battles against the Afghans, from Punjab to Bengal and had defeated Akbar's forces twice, at Agra and Delhi in 1556, before succeeding to the throne of Delhi and establishing a 'Hindu Raj' in North India, albeit for a short duration, from Purana Quila in Delhi. He was killed in the Second Battle of Panipat. From 1557 to 1576, Akbar the Great, the conquering Mughal Badshah (emperor), Bengal (Which controlled Bihar) to his empire, dividing Bihar and Bengal each into one of his original twelve subahs (imperial top-level provinces; Bihar with seat at Patna) and the region passed through uneventful
Bihar County was established between 1020 and 1050, most probably by Stephen I, the first king of Hungary, or possibly by his successor, Peter. According to a version of a royal charter, issued in 1203, mentioned that "the whole Bihar County" was located partly around Bihar and partly around Zaránd (now Zărand in Romania), suggesting that Bihar County had originally included Zaránd County, or at least its territories north of the river Fehér-Körös. An other version of the same charter also mentioned Békés besides Bihar and Zaránd, implying that Bihar County had also included the lands which developed into the separate Békés