Sigma Gamma Rho Sorority, Inc. was organized on November 12, 1922, in Indianapolis, Indiana, by seven young educators: Mary Lou Allison Gardner Little, Dorothy Hanley Whiteside, Vivian White Marbury, Nannie Mae Gahn Johnson, Hattie Mae Annette Dulin Redford, Bessie Mae Downey Rhoades Martin and Cubena McClure. The group became an incorporated national collegiate sorority on December 30, 1929, when a charter was granted to Alpha chapter at Butler University.

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From seven young educators, Sigma Gamma Rho has become an international service organization comprised of women from every profession. Sigma Gamma Rho offers its members opportunities to develop their unique talents through leadership training and involvement in sorority activities. Sorority activities provide an atmosphere where friendships and professional contacts are developed which often lead to bonds that last a lifetime.

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It is the mission of Sigma Gamma Rho Sorority, Inc. to enhance the quality of life for women and their families in the U.S. and globally through community service, civil and social action. Our goal is to achieve greater progress in the areas of education, health awareness, and leadership development. Our members, affiliates, staff and community partners work to create and support initiatives that align with our vision.