LTC History
- 1976 – Lincoln Trial Conference forms with initial members Alexis, AlWood, Cambridge, Galva, ROVA, Toulon-LaFayette, Wethersfield, and Winola
- 1987 – ROVA consolidates with Wataga students attending Galesburg to become ROWVA
- 1988 – Winola leaves
- 1989 – Westmer joins
- 1992 – Toulon-LaFayette consolidates with Wyoming to become Stark County
- 1993 – Alexis leaves
- 1995 – Annawan and Princeville join
- 1997 – Divisional east and west format adopted for boys football
- 1998 – Alexis returns, Union joins, and Warren joins
- 2004 – Union leaves, Alexis consolidates with Warren to become United, divisional format dropped for boys football
- 2005 – West Central joins
- 2006 – Aledo joins and boys football leaves to participate in the West Prairie Trail mega conference
- 2007 – Yorkwood consolidates into United
- 2009 – Aledo and Westmer consolidate to become Mercer County
- 2010 – Boys football returns
- 2021- Abingdon-Avon and Knoxville join from Prairieland Conference
- 2024 - Bureau Valley joins from the Three Rivers Athletic Conference as Mercer County leaves to join the Three Rivers Athletic Conference