Full Name: Terence Marne O'Neill, Baron O'Neill of the Maine,
Profession: Northern Ireland Prime Minister
- 1968-01-08 Northern Ireland Prime Minister Terence O'Neill travels to Dublin to meet with Irish Prime Minister Jack Lynch to continue discussions on matters of joint interest to the two governments
- 1968-01-19 Northern Ireland Prime Minister Terence O'Neill calls for "a new endeavour by organisations in Northern Ireland to cross denominational barriers and advance the cause of better community relations"
- 1968-05-20 Terence O'Neill, then Northern Ireland Prime Minister, is showered with eggs, flour and stones after a meeting of the Woodvale Unionist Association, a loyalist vigilante group
- 1968-11-04 Northern Ireland Prime Minister Terence O'Neill meets British Prime Minister Harold Wilson for talks on Northern Ireland; Wilson states no change of constitutional position of Northern Ireland possible without consent of the its people
- 1968-11-22 Terence O'Neill, then Northern Ireland Prime Minister, announced a package of reform measures granting concessions to the Catholic minority, in response to protest movement
- 1968-12-09 Terence O'Neill, Northern Ireland Prime Minister, makes a television appeal for moderate opinion in what became known as the 'Ulster stands at the Crossroads' speech
- 1968-12-11 Northern Ireland Prime Minister Terence O'Neill sacks Home Affairs Minister, William Craig
- 1968-12-12 Northern Ireland Prime Minister Terence O'Neill receives overwhelming support from Unionist Members of Parliament (MPs) at Stormont
- 1969-01-09 Prime Minister of Northern Ireland Terence O'Neill travels to London to meet Home Secretary James Callaghan and brief him on the growing violence in Northern Ireland
- 1969-01-15 Prime Minister of Northern Ireland Terence O'Neill announces that an official inquiry will analyse the 'troubles' in Northern Ireland
- 1969-01-24 Deputy Prime Minister Brian Faulkner resigns from the Northern Ireland cabinet in protest at the lack of 'strong government' on the part of PM Terence O'Neill
- 1969-02-03 Northern Ireland Prime Minister Terence O'Neill announces the dissolution of the Stormont parliament and the holding of new elections
- 1969-02-06 The New Ulster Movement forms, promoting moderate and non-sectarian policies and to assist those candidates who support Northern Ireland Prime MinisterTerence O'Neill
- 1969-02-28 Terence O'Neill re-elected as leader of the Unionist Parliamentary Party and thus confirmed as Northern Ireland Prime Minister
- 1969-04-28 Northern Ireland Prime Minister Terence O'Neill resigns and is replaced later by James Chichester-Clark.
- 1969-05-01 James Chichester-Clark is elected as leader of the Unionist party, succeededing Terence O'Neill as the Northern Ireland Prime Minister
- 1969-05-10 In an interview with the 'Belfast Telegraph' former Northern Ireland Prime Minister Terence O'Neill states: "if you give Roman Catholics a good job and a good house, they will live like Protestants, ... They will refuse to have 18 children"
- 1970-04-16 Protestant Unionist Ian Paisley wins seat formerly held by Terence O'Neill in the Stormont (North Ireland Parliament)