1765 – Military mobilization to bring Santhal Pargana under British rule.
1772-80 – Paharia revolt
1780-85 – Tilka Manjhi led the tribal revolt and managed to injure British army chief
1785 – Tilka Manjhi hanged to death in Bhagalpur
1795 – 1800 – Tamar revolt
1797 – Munda revolt under the leadership of Vishnu manaki
1798 – Chaur revolt in Birbhum Bankura
1798-99 – Bhoomij revolt of Manbhoom
1800-02 – Munda revolt under the stewardship of Dukhan Manaki of Tamar
1819-20 – Munda revolt in Palamu under the leadeship of Bhukan Singh
1832-33 – Khewar revolt under the leadership of Bhagirath, Dubai Gosai and Patel Singh
1833-34 – Bhumij revolt under the leadership of Ganga Narain of Birbum
1855 – Santhals waged war against the permanent settlement of Lord Cornwallis
1855-60 – During late 1850’s Sidhu had accumulated about Ten Thousand Santhals and ran a parallel govt. against British rule. The basic purpose was to collect taxes by making his own laws. British govt. had announced an award of Rs. Ten Thousand to arrest Sidhu and his brother Kanhu. This movement remained very active in Kahalgaon and Raniganj.
1856 – Police brigade was constituted
1856-57 – Martyr Sahid Lal, Vishwanath Shahdeo, Sheikh Bhikhari, Ganptrai and Budhu Veer led a movement against the British government in the First War For Independence
1874-1900 - This period is famous for Birsa movement
1874 – Kherwar movement shot into fame under the leadership of Bhagirathi manjhi
1881 – Kherwar revolt gained pitch
1895-1900 – Ulgulan(revolt) under the leadership of Birsa
1912 – Bihar bifurcated from Bengal and some parts of Chotanagpur merged into Bengal
1913 – Constitution of Chotnagpur Unnati Samaj
1914 – Tana Bhagat movement started which was participated by more
than 26000 tribals
1915 – Publication of a magazine named Adivasi commenced
1929 – Simon commission presented with a memorandum which demanded the formation of Jharkhand state
1936 – Orissa was created as a separate state
1947 – On Dec. 28 All India Jharkhand Party was formed
1951 – Jharkhand party was elected to Vidhan Sabha as the main opposition party
1969 – Shibu Soren founded the Sonat Santahl Samaj
1971 – A.K.Roy founded the Marxist M.C.C to demand a separate Jharkhand state
1973 – N.E.Horo as head of the Jharkhand Party presented the Prime Minister a memorandum for separate Jharkhand state on March 12th.
1977 – Jharkhand party proposed for separate Jharkhand state which included not only Chotanagpur and Santhal Pargana of Bihar but adjoining areas of Bengal, Orissa and Madhya Pradesh as well
1978 – The convention of All India Jharkhand Party was held on May 21
1978 – June 9 came to be co-memorated as Birsa day
1980 – Establishment of Jharkhand Kranti Dal
1986 -September 25, All Jharkhand Students Union gave its first call for Jharkhand bandh , it was a huge success
1987 – Call for boycott of Independence day. The home minister of India directed the Bihar government to prepare a report on detailed profile of all districts of Chotnagpur and Santhal Pargana
1989 – Successful economic blockade for 72 hours by AJSU
1989 – 6 days of economic blockade by Jharkhand Mukti Morcha also successful
1994 – On Jan 6 Laloo Prasad Yadav declared in Ranchi that Jharkhand Development Autonomous Council Bill will be passed in budget session
1995 – Jharkhand Area Autonomous Council (JAAC) was formed which comprised of 18 districts of Santhal Pargana and Chotnagpur and Shibu Soren was nominated as the Chairman
1997 -Bihar government sanctioned 24 Crores for conducting the elections of Jharkhand Autonomous Council
1997 - , Shibu Soren offered support to minority government of Laloo Prasad Yadav on condition to create a separate Jharkhand state
The Year 2000 – The bill to create a separate state of Jharkhand to be carved out of Bihar was passed in Lok Sabha by voice with two key allies of ruling NDA strongly opposing the measure and the opposition Rashtriya Janta Dal and the CPI – M demanding it to be referred to a parliamentary committee. The long cherished demand of people of the region was fulfilled; the celebration is on throughout the Jharkhand region.
August 11 – Parliament approved the formation of Jharkhand. The Rajya Sabha passed by voice – vote the Bihar Reorganization Bill, 2000 to carve out the new state out of Bihar’s Southern region.
August – 25 – President Mr. K.R. Narayanan approved the Bihar Reorganization Bill, 2000.
October – 12 – The center issued gazette notification that November 15 shall be the appointed date for the formation of new Jharkhand Government.
November- 15 – The new state of Jharkhand is formed.