Early 1975: The INLA formed after split in the Official IRA.
October 1977: Its founder and leader Seamus Costello shot dead by an Official IRA gunman.
March 1979: British Conservative Party spokesman on Northern Ireland, Airey Neave, killed when bomb explodes under his car in the grounds of the House of Commons.
December 1982: An INLA bomb in the Droppin Well pub, Ballykelly, Co Derry, kills 11 offduty British soldiers and six civilians.
November 1983: Four INLA members attack Darkley Pentecostal Hall, killing three people and injuring several others at a prayer meeting.
1986: INLA split followed by feud claiming 14 lives over a period of years.
November 1987: Hardline loyalist politician George Seawright shot dead by INLA faction, the Irish People's Liberation Organisation (IPLO).
June 1994: The organisation shot dead three loyalists on Belfast's Shankill Road.
1996: An internal feud claims six lives including that of the INLA's leader Gino Gallagher and former leader Hugh Torney.
May 1997: INLA shoots dead an RUC officer in a gay bar in Belfast.
December 1997: INLA prisoners in the Maze shoot dead the leader of the Loyalist Volunteer Force, Billy Wright.
August 1988: The INLA announces a ceasefire.