6 January - Ulster Defence Association (UDA) confirms that all weaponry under its control has been put verifiably beyond use.[1]
8 January - PSNI Constable Peadar Heffron seriously injured as a bomb explodes under his car in Randalstown. Dissident republicans have been blamed for the attack.[2][3]
20 January - Talks between Sinn Féin and the DUP about the devolution of policing and justice powers to the Northern Ireland administration come to an end.[5]
23 January - Sinn Féin party executive meets to discuss talks position.[6]
26 January - The two Prime Ministers remain in the Hillsborough Castle talks and all-party discussions begin.[8]
27 January - The two Prime Ministers leave without an agreement being reached, giving the parties 48 hours to reach agreement, otherwise the governments would publish plans for moving the political process forward.[9]
31 January - Talks, which have continued all week, break for the day with reports of "considerable progress" having been made.[10]
31 January - At the annual Bloody Sunday commemoration march, the victim's families call for the immediate release of the delayed Saville Inquiry report.[11]
February
3 February - Peter Robinson resumes role as First Minister, but has yet to convince his party to accept a deal.[12]
5 February - Justice and policing powers to be devolved to Northern Ireland's power-sharing government from 12 April 2010 following agreement between Sinn Féin and the DUP. Endorsed by presence of British and Irish Prime Ministers.[13][14]
6 February - Mark Durkan delivers his final address to the SDLP as party leader at its annual conference in Newcastle, County Down, where a new leader will be elected.[15]
7 February - SDLP elect Margaret Ritchie (current Minister for Social Development) as new party leader, becoming the first female leader of a major NI party.[16]
19 February - Mortar bomb is abandoned near a police station in Keady, supposedly by Dissident republicans, leading to a long security alert.[17]
22 February - Car bomb weighing up to 250lbs explodes outside Newry Courthouse damaging buildings. No-one was killed or injured and Dissident republicans are blamed for the attack.[18]
March
9 March - Cross-community vote on devolving policing and justice powers to be held in the NI Assembly.[13]
14 November - Sinn Fein president Gerry Adams announces that he plans to step down as an MP and Stormont assembly member to stand for election in the Irish Republic.[20]
December
29 December - Thousands of bottles of bottled water are sent to Northern Ireland by the Scottish Government to help supply households cut off from mains supplies[21]
26 January - Blue plaque unveiled at Montrose Street South, Ballymacarrett, Belfast, the location of the house playwright Sam Thompson was born in, on the 50th anniversary of the first performance of his controversial play Over The Bridge.[22]