The opening was attended by Eoin O'Duffy who gave a speech calling on the GAA to "bring together all sections of the Irish people" to "save the youth of Ireland from the sea of moral degradation into which they were travelling".

[6] In June 2009, Breffni Park was the venue where the world record for the 12-hour continuous relay race was broken by 1,868 participants.

The stadium hosted one game involving Cavan when they progressed to round four of the qualifiers for the All-Ireland Senior Football Championship 2005.

[16][17] The round three qualifier for the All-Ireland Senior Football Championship 2007 between Derry and Laois was played at Kingspan Breffni Park.

[18] In the 2011 Football Championship it hosted 25 June round 1 qualifier between Louth and Meath, and Cavan versus Longford.

[20][21] Breffni Park was chosen to host the 2006 Division Two Final of the Allianz National League between Donegal and Louth.

There was controversy when Donegal's manager Brian McIver was upset as he thought the game should have been played at Croke Park in Dublin.

[24] Breffni Park hosted the first test in the 2006 Ladies' International Rules Series between Ireland and Australia.