1857: Period of the Indian Rebellion of 1857. East India Company Sepoys from the Bengal Army (80% Hindu according to William Daryample in the book "The Last Mughal") declare Bahadur Shah Zafar II Emperor of Hindustan. The region becomes the centre of resistance to the East India Company. End of the Muslim Era.
1935: 1935 Government of India Act federates the Indian Empire and creates a new Bihar.
1936: Sir James David Sifton appointed the first Governor of Bihar.
1937: First Democratic election of Bihar in March, 1937.Congress emerged as largest political party, Muslim Independent Party headed by Barrister Muhammad Yunus stood second.Barrister Mohammad Yunus formed Government and became first Premier(April- July, 1937 )of Bihar province.
1947-1949: Hindu-Muslim religious violence leads to the migration of millions of Bihari Muslims to Pakistan (West and East)
1952 Indian Government adopts symbols of ancient Imperial Bihar (Ashoka Chakra added to the Indian flag, the Lion Pillor is made the symbol of the central government of India, all state governments, reserve bank, and the military, whilst the Rupee, introduced in Bihar, is retained as the currency)
1952:Many development projects needed for the all round development of the state initiated, be it on irrigation front or on industrial front by the state government. It included several river valley projects right from Koshi, Aghaur and Sakri to several other such river projects.
1952-57:Bihar rated as the best administered among the states in the country.
1955 The Birla Institute of Technology(BIT) is established at Mesra, Ranchi.
1957-62:Second five year plan period, Bihar government brought several heavy industries like Barauni Oil Refinery, HEC plant at Hatia, Bokaro Steel Plant, Barauni Fertiliser Plant, Barauni Thermal Power Station, Maithon Hydel Power Station, Sulphur mines at Amjhaur, Sindri Fertiliser Plant, Kargali Coal Washery, Barauni Dairy Project, etc. for the all round development of the state.
2005: In Feb, Lalu Prasad/ Rabri Devi lose power after 15 years
2005: In November, Janta Dal (United) with the BJP wins the state election.
2005 - 2007: Nitish Kumar is declared the best Chief Minister in India by the India Today magazine
2007: Bhojpuri cinema hall complex bombed in Punjab. 6 UP and Bihari migrant workers killed.
2008: Second Bihari-Bhojpuri Immigrant Worker Crisis: Migrants and students attacked in Maharashtra, Assam, Manipur, and Nagaland. Economic revival Q1 2008, resulting in labour shortages in Punjab, Maharashtra.
2008: Floods in Mithla region kill 3,000 people, displace millions.
2010:Nitish Kumar again becomes Bihar Chief Minister after a historic mandate.