The Irish presidential election of 1966 was held on 1 June 1966. The outgoing president Éamon de Valera

Éamon de Valera

Éamon de Valera was one of the dominant political figures in twentieth century Ireland, serving as head of government of the Irish Free State and head of government and head of state of Ireland...

 reluctantly agreed under Fianna Fáil

Fianna Fáil

Fianna Fáil – The Republican Party , more commonly known as Fianna Fáil is a centrist political party in the Republic of Ireland, founded on 23 March 1926. Fianna Fáil's name is traditionally translated into English as Soldiers of Destiny, although a more accurate rendition would be Warriors of Fál...

 party pressure to seek a second term. Fine Gael

Fine Gael

Fine Gael is a centre-right to centrist political party in the Republic of Ireland. It is the single largest party in Ireland in the Oireachtas, in local government, and in terms of Members of the European Parliament. The party has a membership of over 35,000...

 decided to run one of its younger TD

Teachta Dála

A Teachta Dála , usually abbreviated as TD in English, is a member of Dáil Éireann, the lower house of the Oireachtas . It is the equivalent of terms such as "Member of Parliament" or "deputy" used in other states. The official translation of the term is "Deputy to the Dáil", though a more literal...

s, Tom O'Higgins

Tom O'Higgins

Thomas Francis O'Higgins was an Irish Fine Gael politician, a barrister and a judge.Tom O'Higgins was born in Cork in 1916. He was the son of Thomas F. O'Higgins and the nephew of Kevin O'Higgins...

 against him. In an astonishing upset, O'Higgins came within 1% (or 10,000 votes) of defeating de Valera. De Valera left the blame for this with his campaign manager Charles Haughey

Charles Haughey

Charles James "Charlie" Haughey was Taoiseach of Ireland, serving three terms in office . He was also the fourth leader of Fianna Fáil...

.

Result