1937.
The Titans have 22 varsity teams, 11 men's and 11 women's, with the addition of men's and women's lacrosse in 2014 and 2015, respectively.
=== Shirk Center ===
Shirk Center is the university's athletic complex. The two-story 135,000-square-foot (12,500 m2) complex was constructed in 1994. A 20,000-square-foot expansion was opened in 2016. The Shirk complex provides a multi-use facility for squash, tennis, basketball, and other indoor sports. It also houses Fort Natorium, the university's swimming center, as well as classrooms and a six-lane, 200-meter track. The Shirk Center also hosted the 2010 & 2011 NCAA Division III Women's National Basketball Championships. The "Shirk" is also the championship venue for the annual State Farm Holiday Classic, one of the largest, coed high school holiday basketball tournaments in the nation, as well as the Heart of Illinois Conference basketball tournament in mid-January.
=== Division III NCAA National championships ===
Men's
Basketball – 1997
Baseball – 2010
Golf …