World War II played a significant role in Black history, both in terms of the contributions made by African Americans to the war effort and in terms of the impact the war had on the civil rights movement in the United States.

During World War II, African Americans served in segregated units in the U.S. military. The Tuskegee Airmen, for example, were a group of African American pilots who served in the Army Air Corps and distinguished themselves with their skill and bravery in combat. The 761st Tank Battalion, known as the "Black Panthers," also made important contributions to the war effort.

Many African American women served as nurses and in other support roles during the war. The Women's Army Corps (WAC) and the Women Accepted for Volunteer Emergency Service (WAVES) allowed Black women to serve in the military in non-combat roles.

The war also had a significant impact on the civil rights movement in the United States. The "Double V" campaign, which stood for victory abroad and victory at home, highlighted the contradiction of fighting for democracy and freedom overseas while African Americans faced discrimination and segregation in their own country.

The experiences of African American soldiers during the war, including their contributions to the war effort and their encounters with racism and discrimination, helped to fuel the push for civil rights and racial equality in the post-war years. The desegregation of the military in 1948, with President Truman's Executive Order 9981, was a direct result of the experiences and activism of African American service members during World War II.

Overall, World War II was a pivotal moment in Black history, shaping the experiences and aspirations of African Americans both during the war and in the years that followed.