World War I and World War II were significant periods in Black history, highlighting the contributions and struggles faced by Black soldiers and communities during times of global conflict.

During World War I, many Black Americans served in segregated units within the U.S. military, facing discrimination and unequal treatment compared to their white counterparts. Despite these challenges, Black soldiers made significant contributions to the war effort and demonstrated their bravery on the battlefield. The experience of serving in the military also exposed many Black soldiers to new ideas and movements, contributing to the growth of the civil rights movement in the years following the war.

In World War II, Black soldiers continued to serve in segregated units, but their roles expanded as the demand for manpower increased. The war provided opportunities for Black soldiers to prove their capabilities and skills, leading to the eventual desegregation of the military in 1948. The war also had a profound impact on the home front for Black communities, spurring economic growth and migration as many Black Americans moved to industrial cities to work in war-related industries.

Overall, the World Wars were significant events in Black history, shaping the experiences and contributions of Black soldiers and communities during times of global conflict. The struggles and triumphs of Black individuals during these wars laid the groundwork for the civil rights movement and continued efforts for equality and justice.