1917

Delta Phi Epsilon Sorority founded at New York University School of Law by Minna Goldsmith Mahler, Eva Effron Robin, Ida Bienstock Landau, Sylvia Steierman Cohn, and Dorothy Cohen Schwartzman.

1922

First issue of the official sorority magazine, the Triangle, Published as a quarterly.
Delta Phi Epsilon Sorority incorporated in the State of New York.
Delta Phi Epsilon Sorority goes international with the chartering of the Epsilon Chapter at McGill University (Montreal, Quebec)

1933

International Convention held at the World's Fair, Chicago, Illinois.

1942

World War II: Each soror and alumna resolved to devote a minimum of three hours per week to a war endeavor.

1952

DPhiE becomes a member of the National Panhellenic Conference.
Delta Phi Epsilon's official magazine the TRIANGLE renamed the TRIAD.

1956

Edward R. Murrow is named DPhiE Man of the Year. Here he accepts his award from Rita Rossner, International President, and Etta Taube Sherman (Zeta, University of Toronto), NPC Delegate

1958

Cystic Fibrois is named as one of our international philanthropies.

1971

Delta Phi Epsilon holds its first joint convention with Tau Epsilon Phi fratenity, a tradition that continues until 1983.

1978

International Headquarters moves to Stamford, Connecticut.

1981

The Unicorn is named Delta Phi Epsilon's mascot.

1993

International Headquarters moves to St. Louis, Missouri.
DPhiE assumes lead role in NPC as Harriett Block Macht (Delta Delta, Indiana University) becomes National Panhellenic Conference Chairwoman at NPC's 100th Biennial Meeting.

1996

DPhiE goes online.

1998

TEAM EXCELLENCE is introduced.

2007

International Headquarters moves to Philadelphia, Pennsylvania.