A local historian says there are "a lot of positives" to centenary events, despite the controversy that has surrounded an Armagh service to mark 100 years of partition.
Controversy was caused when President Michael D Higgins declined an invitation, and Sinn Féin is the only political party in the North that didn't attend.
British Prime Minister Boris Johnson is attending the event, but Britain's Queen Elizabeth couldn't attend for health reasons.
Speaking at the religious service this morning, Archbishop Eamon Martin said partition remains a symbol of cultural, political and religious division on the island.
While Monaghan historian Paddy Mulroe acknowledged that "big events" like that in Armagh cause controversy, he says local community-led events are very successful:
