In what year was the team founded that won the 1956-1957 Irish League championship?
Glenavon F.C. Glenavon Football Club is a semi-professional, Northern Irish football club playing in the NIFL Premiership. The club, founded in 1889, hails from Lurgan and plays its home matches at Mourneview Park. Club colours are blue and white. Gary Hamilton has been player-manager of the Lurgan Blues since December 2011 following the resignation of Marty Quinn.
Larne F.C. Larne Football Club is a professional, Northern Irish football club playing in the NIFL Championship. The club, founded in 1889, hails from Larne and plays its home matches at Inver Park. Club colours are red and white. The current manager is Tiernan Lynch who was appointed to replace David McAlinden first team manager in 2017. From 1972 until 2008, the club enjoyed senior status, but reverted to intermediate status when it failed to gain a place in the new IFA Premiership.