In what year was the team founded that won the 1956-1957 Irish League championship?
1956–57 Irish League The Irish League in season 1956–57 comprised 12 teams, and Glenavon won the championship.
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.