1915 - Zeta Zephyr , the first chapter publication, published by Zeta at Penn State. 1924 -Delegates from 11 local societies convened at Springfield, Missouri, and formed Theta Kappa Nu. Kappa Nu awarded its first graduate scholarship. 1935 -First members inducted into the Order of Merit. Chi Alpha purchase first headquarters building.
Many chapters are inactive due to military service.
1959 -Fiftieth anniversary rededication ceremonies held. 1960 -First members inducted into the Order of Achievement and Order of Interfraternity Service. 1961 -Upsilon at Louisiana State University becomes the first chapter to initiate 1,000 members. 1967 -Lambda Chi Alpha initiates its 100,000th member, the fifth fraternity to do so. 1970 -First meeting of the Student Advisory Committee held, and the first undergraduate member elected to the Grand High Zeta.