The Good Friday Agreement's UN treaty status means that any compromise of the rigorous impartiality it demands of the Government could be legally challenged
Protestors outside the High Court in Belfast in February 2017 calling for an Irish Language Act.
Niall Carson/PA Wire
The issue of an Irish Language Act has been a sticking point at Stormont.
Sinn Fein leaders Michelle O'Neill and Gerry Adams must be thinking about their future.
The Irish nationalists now have seven MPs but they have historically refused to attend the Westminster parliament.
Democratic Unionist Leader Arlene Foster announces her openeness to talks with the Conservatives.
Brian Lawless/PA Wire
A deal could have huge implications for Brexit and politics in Northern Ireland.
The Irish republicans stand for parliament but don't attend when they win. It's high time that changed.
Not much doing at Stormont.
The two main parties in Stormont still haven't reached a power-sharing deal, and a national vote is unlikely to help matters.
Fighting by ballot box.
Violent dissident republicanism is still making its presence felt.
Plenty of unfinished business in Northern Ireland.
Time is running out for a compromise agreement between the two main parties at Stormont.
McGuinness has died, aged 66.
The former deputy first minister was once a feared IRA sniper but became a central figure in the move towards peace.
Arlene Foster attends a count on election night.
The DUP and Sinn Féin face direct rule if they can't agree on a programme for government.
Northern Ireland continues to re-elect its coalition of the unwilling.
The two ruling parties live by the letter of the Good Friday Agreement, but not the spirit.
No love lost: Arlene Foster and Martin McGuinness.
What was already an uneasy alliance first turned sour, and then utterly disintegrated. Where did it all go wrong?
Arlene Foster and Martin McGuinness.
Kelvin Boyes / Press Eye
A political scandal has laid bare the irreconcilable differences between to two main parties in the power-sharing agreement.
The home secretary has announced that the threat of terrorism related to Northern Ireland is now highly likely in Britain.
Officials carry a ballot box to the island of Innishfree, where two people voted.
Recounts are underway following a vote that left no clear winner.
Enda Kenny thought he had the whole world in his hand, until he read the polls.
Fine Gael and Labour felt confident going into this short campaign – perhaps a little too confident.
Come on Arlene.
She defected from the UUP to the DUP, and now Arlene Foster will be the first woman to run Northern Ireland. Here's where she stands on the big issues.
McGuinness and Robinson: tentatively back on speaking terms.
After months of deadlock, the DUP and Sinn Féin have settled some of their issues – but they've kicked the hard stuff into the long grass.
The Good Friday settlement has kept the peace, but the system is plagued by built-in instability.
It has been revealed that the Provisional IRA – the paramilitary group that fought for Northern Ireland to become separate from the UK – still exists, despite the IRA agreeing to disband in 2005. An independent…