Stormont talks timeline
January 9, 2017
Martin McGuinness resigns as deputy first minister removing Arlene Foster from her joint-office position of First Minister, leading to collapse of power-sharing Executive.
January 16, 2017
Secretary of State James Brokenshire sets date of March 2 for assembly elections after Sinn Féin chooses not to nominate replacement for Mr McGuinness.
March 2, 2017
DUP marginally holds position as largest party but loses 10 seats in new 90-member Assembly. Significant gains by Sinn Féin to 27 seats. Unionist majority ends at Stormont.
March 6, 2017
Talks begin between the DUP, Sinn Féin and Secretary of State to form a new Executive. DUP leader Arlene Foster describes restoration of devolution as "doable".
Mr Brokenshire sets a three-week deadline.
March 7, 2017
Sinn Féin walk out of talks with leader in the north Michelle O'Neill accusing the Secretary of State of engaging in "waffle, waffle and more waffle" over legacy issues.
March 26, 2017
Ms O'Neill says the talks have run their course and party would not support nominations for positions of first and deputy first minister. Mrs Foster said "little to suggest that Sinn Féin want to secure agreement", accusing it of resisting involving the other parties in discussions "at every opportunity".
March 27, 2017
Assembly session to appoint a first and deputy first minister suspended. 4pm deadline to form a new Stormont government passes.
Arlene Foster said Sinn Féin "not in agreement-finding mode" during talks. Michelle O'Neill accused DUP of not approaching the discussions with the "right attitude".
June 29, 2017
Timeframe to find a deal to restore a power-sharing government in Northern Ireland extended to July 3 after parties failed to reach a deal before initial deadline of 4pm.
July 3, 2017
Deadlock remains. Mr Brokenshire said he will "reflect" on his next move.
July 15, 2017
Ms O'Neill said a relatively peaceful marching season bodes well to create the right atmosphere for the resumption of talks
August 20, 2017
Sinn Féin writes to Irish and UK governments and other parties to say talks should start on August 28.
Sep 4, 2017
James Brokenshire, warned "window is closing" on a deal to restore power-sharing government following a range of meetings with the parties.
Ms O'Neill claimed deal could be done in days with the right attitude and reiterated calls for progress on a range of cultural issues.
DUP leader Arlene Foster said the discussions should be over quickly.
October 18, 2017
A new deadline set by Secretary of State James Brokenshire of beginning October 30 - with Executive to be in place by November 6
November 1, 2017
Power-sharing talks in Northern Ireland collapse after Sinn Féin and DUP fail to reach agreement, following 10-month impasse.
Sinn Féin said difficulties in reaching a deal were "compounded" by the DUP's pact to prop up the Tory government.