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The founding of the Sigma Phi Delta Fraternity on the campus of the University of Southern California in Los Angeles was the outgrowth of a third attempt to establish a professional engineering fraternity on that campus. Two previous attempts had been made to organize an engineering fraternity at the University but both groups thus formed had terminated into general, or social, fraternities.

1923-1931 1931-1939 1939-1952 1952-1960 1960-1968 1968-1974
1974-1984 1985-1989 1990-1995 1996-2000 2000-2004 2005-2009