Éamon de Valera among the electorate, 75-year-old de Valera had begun to be seen by the electorate as too old and out of touch to remain as head of government. At the urging of party officials, de Valera decided to retire from government and the Dáil and instead seek the presidency of Ireland. He won the 1959 presidential election on 17 June 1959 and resigned as Taoiseach, Leader of Fianna Fáil and a TD for Clare, six days later, handing over power to Seán Lemass. De Valera was inaugurated President of Ireland on 25 June 1959. He was re-elected President in 1966, aged
Éamon de Valera with the support of at least seven independents. The result was the First Inter-Party Government, with John A. Costello of Fine Gael as its compromise candidate for Taoiseach. Costello was duly nominated, consigning de Valera to opposition for the first time in 16 years. The following year, Costello declared Ireland as a republic, leaving partition as the most pressing political issue of the day. De Valera, now Leader of the Opposition, left the actual parliamentary practice of opposing the government to his deputy, Seán Lemass, and himself embarked on a world campaign to address the issue of partition. He visited