Counting for the Northern Ireland Assembly election finally ends with the DUP and Sinn Féin winning the most seats, 38 and 29 respectively.
Following a deal brokered by the British and Irish governments, the Northern Ireland Executive is restored with Democratic Unionist Party leader Arlene Foster as First Minister and Sinn Féin deputy leader Michelle O'Neill as deputy First Minister, ending three years of political deadlock. The previous government had collapsed in 2017 as the result of a renewable energy scandal involving Foster.
The deadline for the Government formation in Northern Ireland has expired following the refusal of the Democratic Unionist Party and Sinn Féin to enter a power sharing agreement with each other, with both parties blaming each other for the impasse.
Northern Irish voters go to the polls to elect their new MLA representatives after a snap election was called following the resignation of Deputy First minister Martin McGuinness of Sinn Féin over the mishandling by Democratic Unionist Party over the recent Renewable Heat Incentive scandal.
The Secretary of State for Northern Ireland James Brokenshire announces a snap election is to take place on March 2 to elect members to the Northern Ireland Assembly after the Democratic Unionist Party (DUP) and Sinn Féin failed to agree on a power-sharing agreement.
Martin McGuinness of Sinn Féin resigns as the NI deputy first minister in protest of handling by the Democratic Unionist Party of a failed energy scheme that cost Northern Irish taxpayers £490 million. His decision will likely lead to a snap election.
DUP leader and Northern Ireland First Minister Peter Robinson dismisses calls from Sinn Féin for a Scotland-style referendum on independence for Northern Ireland, telling his party's annual conference that a majority of Catholics want Northern Ireland to stay part of the United Kingdom.
Sinn Fein announces that Martin McGuinness, current Deputy First Minister of Northern Ireland and former Irish Republican Army commander, will be a candidate for the Irish presidential election with John O'Dowd serving as acting Deputy First Minister.
Former Northern Irish First Minister Peter Robinson, leader of the Democratic Unionist Party, tells "The Sunday Times" that the conduct of his wife, politician Iris Robinson, with her young lover has led him to shake hands with deputy First Minister Martin McGuinness (Sinn Féin) for the first time.