The League of Ireland First Division (Irish: Cead Roinn Sraith na hEireann), also known as the SSE Airtricity League First Division, is the second level division in both the League of Ireland and the Republic of Ireland football league system. The division was formed in 1985. It replaced the League of Ireland B Division as the League of Ireland's second level division. Since 2003 the First Division has operated as a summer league.
This page also has a version in other languages : FAI Первый дивизион (russian)