Delta Sigma Theta Sorority, Inc. is a historically Black Greek-letter organization founded on January 13, 1913, at Howard University in Washington, D.C. The sorority was established by 22 collegiate women who sought to promote academic excellence and provide assistance to those in need. Delta Sigma Theta is known for its commitment to social and political activism, particularly in the areas of civil rights and women's rights.

Throughout its history, Delta Sigma Theta has been involved in a wide range of social justice issues, including voting rights, education, and economic empowerment. The sorority has played a significant role in advocating for equality and justice for African Americans and marginalized communities.

Delta Sigma Theta has a long-standing tradition of service and community engagement, with members participating in various programs and initiatives to uplift and empower individuals and communities. The sorority's dedication to public service and social change has had a lasting impact on Black history and continues to inspire future generations to strive for excellence and make a difference in the world.