Bertie Ahern says poll on Irish unity should be held on 30th anniversary of Good Friday Agreement Owen Conlon Updated: 13 Mar 2021, 18:35 FORMER Taoiseach Bertie Ahern has said a poll on Irish unity should be held on the 30th anniversary of the Good Friday Agreement. The ex-Fianna Fail leader, who helped negotiate the 1998 deal to end 30 years of bloodshed in Northern Ireland, said more use should be made of its institutions. 1 Former Taoiseach Bertie AhernCredit: Garrett White - The Sun The agreement established a series of institutions for political cooperation across Ireland. Ahern told Italian newspaper La Repubblica a united Ireland was achievable.