Events
- January 3 – Princess Margaret and Lord Snowdon arrive in Ireland for a seven-day visit.
- January 28 – Families from Springtown Camp make a silent march through Derry to demand rehousing.
- February 21 – The new Garda Síochána training centre is opened in Templemore, County Tipperary.
- March 16 – Seán Lemass arrives in London to make an official launch of "Ireland Week".
- March 21 – Brendan Behan's funeral takes place in Dublin.
- May 23 – President Éamon de Valera, Taoiseach Seán Lemass and Tánaiste Seán MacEntee attend the official opening of the US Embassy in Dublin.
- May 26 – The Fine Gael parliamentary party approves Declan Costello's Just Society programme.
- June 1 – Jill, a two-year-old elephant, arrives at Dublin Airport from India, heading for a new home at Dublin Zoo.
- September 5 – Taoiseach Seán Lemass attends celebrations marking the silver jubilee of the first commercial transatlantic flight.
- New bridge over the River Foyle, linking Lifford and Strabane is built.
- The death penalty is abolished for all but the murder of gardaí, diplomats and prison officers.
Read more about this topic: 1964 In Ireland