President Higgins declined an invitation to the service.
Minister Jack Chambers is insisting a controversial religious ceremony to mark the partition of Ireland is not a celebration or commemoration.
The Junior Minister and the Foreign Affairs Minister Simon Coveney will attend the event in Armagh today.
President Michael D Higgins declined an invitation to the service.
Jack Chambers says if the Government is serious about promoting peace, it has to listen to different perspectives.
Sinn Fein is the only political party in the North not attending the event.
DUP Brexit Spokesperson Sammy Wilson believes they should be going.
Aontu leader Peadar Toibin says the government shouldn't be sending ministers Simon Coveney and Jack Chambers
Queen bows out of Armagh centenary service on advice from doctors https://t.co/tDDuimL9UD
— The Irish Times (@IrishTimes) October 21, 2021
The ceremony concluded just after midday, as Political Correspondent Seán Defoe reports
NI centenary church service: Building an equal and just future on island a ‘moral imperative’ we must fulfil https://t.co/oJDoA2KXK3 pic.twitter.com/w4DqK29NG1
— Belfast Telegraph (@BelTel) October 21, 2021
Student Lucy Addis was one of the speakers at the event in Armagh this morning

CnaM Launches Investigation Into X
Irish 15-Year-Olds Rank Highest For Reading In EU
Sharp Rise In Number Of Children Experiencing Poverty
Missing Person Appeal: Nathan Kenna (15), Lucan
Man (20s) In Critical Condition After Assault In Meath
Gardaí Arrest Two People In Connection With Prison Drug Smuggling
Ticketmaster Contest Consumer Law Breach Accusations In District Court
Irish Rail Fires Firm Behind Abandoned €50 Million IT System