- Ireland Act perpetuates partition.
- IRA re-emerges with attacks in Armagh.
- Ireland accepted into United Nations.
- "Border Campaign" of the IRA.
- JFK visits Ireland.
- The Anglo-Irish Free Trade Agreement makes cross-border trading easier and more profitable.
- Northern Ireland Civil Rights Association established, targeting mainly the prevailing discrimination against Catholics.
- First Civil Rights Marches lead to clashes with the police, especially in Derry.
- "People's Democracy" march from Belfast to Derry.
- Clashes between sectarian extremists and between civil rights campaigners and the police.
- Bomb attacks.
- British Army sent to Northern Ireland in a peacekeeping facility.
- Samuel Beckett awarded Nobel Price for Literature, his reaction is "Catastrophe!"
- Split between "official" and "provisional" fractions of both Sinn Fein and the IRA. The Provisional IRA commits itself to armed struggle. This is just the first split within the Republican paramilitaries.
- The Rev. Ian Paisley establishes the Democratic Unionist Party (DUP).
- Internment is re-introduced.
- The IRA kills the first British soldier in Belfast.
- "Bloody Sunday" in Derry, British paratroopers open fire upon demonstrators, killing 13.
- British embassy burned down in Dublin.
- Regimental HQ in Britain bombed by IRA.
- Direct Rule from Westminster is imposed upon Northern Ireland.
- Republic expunges "special position" of Catholic church from constitution.
- Ireland and UK join the EEC (forerunner of today's European Union).
- Loyalist bombs kill several dozen civilians in Dublin and Monaghan attacks.
- IRA bombs pubs in Guildford and Birmingham.
- Internment is suspended in Northern Ireland.
- Republic relaxes the ban on contraceptives.
- Pope John Paul II visits Ireland.
- Ten IRA and INLA hunger strikers die in British prisons.
