Cal Poly Interfraternity Council members

Alpha Gamma Rho

Mar 26, 1969

AGR became a colony on this date, becoming the first offically recognized fraternity on campus in 1970.

Sigma Nu

Oct 12, 1985

Sigma Nu, named Fraternity of the Year for the past four years, was established at Cal Poly.

Beta Theta Pi

Oct 18, 1986

Beta Theta Pi (commonly referred to as Beta) became an official chapter at Cal Poly on this date.

Sigma Pi

May 21, 1988

Sigma Pi recieved official charter at Cal Poly.

Theta Chi

Oct 25, 1998

Theta Chi became a colony, becoming officially chartered in 2000.

Alpha Epsilon Pi

Nov 5, 2005

Alpha Epsilon Pi, a Jewish-related fraternity, was established at Cal Poly.

Delta Lambda Phi

Feb 7, 2009

This fraternity was chartered in 2009 as the only gay and bisexual fraternity in the Cal Poly community.