Delta Sigma Theta Sorority, Incorporated is a prominent African American Greek-letter organization that was founded on January 13, 1913, at Howard University. It was established by 22 visionary women who sought to promote academic excellence, provide support for the underserved, and advocate for social justice. Delta Sigma Theta quickly became known for its commitment to public service and social activism.

Throughout its history, Delta Sigma Theta has been at the forefront of the fight for civil rights and social change. The sorority played a significant role in the Women's Suffrage Movement, the Civil Rights Movement, and continues to be actively involved in advocating for issues such as voter registration, education, and healthcare.

Some notable members of Delta Sigma Theta include civil rights activist Dorothy Height, media mogul Oprah Winfrey, politician Shirley Chisholm, and actress Ruby Dee. The sorority has a strong legacy of leadership and service within the African American community and beyond.

Delta Sigma Theta is renowned for its commitment to scholarship, sisterhood, and service, and its members continue to make a lasting impact on Black history and society as a whole.