Delta Sigma Theta Sorority, Inc. is a historically African American sorority founded on January 13, 1913, at Howard University in Washington, D.C. It was established by 22 collegiate women with a mission to promote academic excellence, provide assistance to those in need, and advocate for social justice. The sorority is known for its commitment to public service and community engagement. With over 300,000 members worldwide, Delta Sigma Theta is one of the largest sororities in the United States. The organization focuses on various programs, including education, health, and economic development, and is recognized for its signature events, such as the Delta Days in the Nation's Capital.