Hyderabad: Here is the timeline leading to the announcement on the formation of Telangana state.
1948: The Indian Army annexed princely state of Hyderabad, which had different regions including Telangana.
1950: Telangana became Hyderabad State with appointment of a senior administrator M.A. Vellodi as the chief minister.
1952: First elections were held in Hyderabad State. Burgula Ramakrishna Rao became the first elected chief minister.
Nov 1, 1956: Telangana was merged with Andhra State, which was carved out of Madras State, to form Andhra Pradesh, a united state for Telugu-speaking people.
1969: 'Jai Telangana' movement for separate statehood to Telangana began. Over 300 people killed in police firing.
1972: 'Jai Andhra' movement began in coastal Andhra for separate Andhra state.
1975: Presidential order issued to implement Six-Point Formula, providing some safeguards to Telangana.
1997: Bharatiya Janata Party (BJP) supported demand for Telangana state and in 1998 elections promised 'one vote two states'.
2001: K. Chandrasekhara Rao floated Telangana Rashtra Samithi (TRS) to revive the Telangana movement.