The Universal Negro Improvement Association (UNIA) was a Black nationalist organization founded by Marcus Garvey in 1914. The organization's main goal was to promote Black pride and unity, encourage economic self-sufficiency, and advocate for the rights of people of African descent worldwide.

Under Garvey's leadership, the UNIA became one of the largest and most influential Black organizations in history, with millions of members across the globe. The UNIA's philosophy of Black empowerment and self-determination resonated with many people of African descent who were experiencing discrimination and oppression.

One of the most notable achievements of the UNIA was the establishment of the Black Star Line, a shipping company aimed at promoting Black international trade and commerce. The UNIA also organized mass marches, rallies, and conventions to mobilize and empower Black communities.

Although the UNIA faced challenges and controversies, including allegations of financial mismanagement and Garvey's deportation from the United States, the organization's legacy continues to inspire Black pride and solidarity to this day. The UNIA's impact on Black history is significant, as it laid the foundation for future Black nationalist movements and organizations striving for racial equality and liberation.