Final answer:
Gamma Phi Beta was founded on November 11, 1874 at Syracuse University. It is one of the oldest women's organizations in North America and has grown to become one of the largest sororities in the United States.
Step-by-step explanation:
Gamma Phi Beta was founded on November 11, 1874, making it one of the oldest women's organizations in North America. It was founded at Syracuse University in Syracuse, New York. Its founders were Helen M. Dodge, Frances E. Haven, E. Adeline Curtis, and Mary A. Bingham, who wanted to create a supportive and empowering community for women. Gamma Phi Beta has since grown to become one of the largest sororities in the United States, with numerous chapters across the country.