Casement Park - a timeline
2006: Plans unveiled to build a new 42,500-seater stadium for soccer, rugby, and Gaelic games at the site of the former Maze prison, with the provisional backing of the GAA.
January 2009: DUP sports minister Gregory Campbell scraps Maze stadium plan in favour of the three main sports' ruling bodies developing their own stadium proposals.
March/April 2009: Ulster GAA proposes Casement Park is upgraded, accommodating 40,000 fans.
March 2011: Stormont agrees funding for major upgrades to three Belfast sports grounds - Casement, Ravenhill and Windsor.
December 2013: SDLP environment minister Mark H Durkan grants planning approval for 38,000-capacity Casement stadium.
December 2014: High Court quashes Casement planning approval after residents' legal challenge.
April 2015: Safety expert tells Stormont committee he faced "undue pressure" to approve the plans and accuses departmental officials of bullying.
August 2015: A report describes "broken" relationships behind the scenes of the Casement plans, and makes a series of recommendations on reviving the project.
February 2017: Ulster GAA submits its revised Casement planning application with a reduced capacity of around 34,000.
December 2018: New business case submitted by Ulster GAA to Department for Communities on the Casement project, with estimated cost of around £110m.
October 2020: Infrastructure minister Nichola Mallon recommends approval for the redevelopment of the stadium.
July 2021:- Casement Park stadium given formal approval.