March 27th: Possible arrival of Tony Blair and Bertie Ahern to broker a solution to the deadlock.
March 29th: Earliest date for D'Hondt system of allocating ministerial posts to be applied in the Northern Ireland Assembly. Standing Orders permit three-hour adjournment for last-minute moves on decommissioning.
April 2nd: Good Friday deadline for agreement on decommissioning and forming the executive.
April 5th: Marching season begins on Belfast's Ormeau Road.
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June 3rd: Deadline for implementing changes to Articles 2 and 3 of the Constitution - may be extended by the Oireachtas.
July 4th: Drumcree Sunday.
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