Answer
Hillery took the office of Irish President in the 1970s. This was a period of political and social upheaval in Ireland, as the country grappled with the effects of the Troubles. Hillery was a member of the Fianna Fáil party, and he served as President from 1976 to 1990. He was a popular and respected figure, and he is remembered for his role in promoting peace and reconciliation in Ireland.