1885, Bombay – First INC session, presided by W.C. Bonnerjee.
1907, Surat – Congress split into Moderates and Extremists.
1916, Lucknow – Lucknow Pact with Muslim League.
1919, Amritsar – Protest against Jallianwala Bagh massacre.
1920, Nagpur – Launch of Non-Cooperation Movement.
1924, Belgaum – Only session presided over by Gandhi.
1927, Madras – Demand for complete independence raised.
1929, Lahore – Purna Swaraj declared; 26 Jan observed as Independence Day.
1931, Karachi – Resolution on Fundamental Rights; Gandhi-Irwin Pact endorsed.
1936, Lucknow – Congress adopted socialism.
1938, Haripura – Bose formed National Planning Committee.
1939, Tripuri – Bose-Gandhi rift; Bose resigned.
1946, Meerut – Last session before independence; focus on power transfer.