What is Langston Hughes’s most famous poem?

Langston Hughes’s most famous poem is “Harlem,” which he introduced in his 1951 poem cycle Montage of a Dream Deferred. The poem begins with the line “What happens to a dream deferred?” Alluding to the struggles of the civil rights movement and to racial conflict in Harlem, New York City, the poem considers the potential consequences of white society’s withholding of equal opportunity from African Americans.