On March 25, 1917, seven young woman who exemplified self-confidence and the willingness to take a chance, founded a new sorority at Cornell University. The name chosen, Sigma Delta Phi was soon changed to Sigma Delta Tau when the women discovered the letters belonged to another Greek Organization. Most of the seven women had already experienced the subtle, but very real, discrimination practiced against religious minorities by many Greek organizations at the time. In response to the closed doors, and as a way to meet their own social and housing needs, these young women established a sorority which would respect the individuality of its members. The personal growth and social development of each individual was the basis upon which the new organization would be built.

"It shall be the purpose of this fraternal organization to form a close social and fraternal union of those of similar ideals and to foster, maintain and instill such ideals in the hearts of its members as will result in actions worthy of the highest precepts of true womanhood, democracy and humanity."

-Sigma Delta Tau National By-Laws

Upsilon Chapter at Indiana University was founded on April 20, 1940.

Fun facts about Sigma Delta Tau:

- Badge: Jeweled Torch
- Colors: Cafe au Lait and Old Blue
- Jewel: Lapis Lazuli
- Flower: Golden Tea Rose
- Mascot: Teddy Bear
- Motto: Patria Multae Spes Una,
One Hope of Many People

Famous Sig Delts

Dr. Joyce Brothers, psychologist, TV personality, writer
Sherry Lansing, first woman to lead a major film studio
Joan Rivers, comedian, TV personality
Christy Carlson Romano, Disney Channel actress and singer
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