Chi Omega was the first national sorority at the Municipal University of Omaha, established in 1949 when local sorority Pi Omega Pi became its affiliate.
"All Greek Groups National as Sig Lamb's Join Lambda Chi." Gateway (Omaha, NE). May 9, 1952.
"OU Greek Organizations Boast of Social Activities, Volunteer Work." Gateway (Omaha, NE). October 15, 1958.