What event had the biggest impact on African Americans getting Equal Rights?

In a paragraph

Through nonviolent protest, the civil rights movement of the 1950s and '60s broke the pattern of public facilities' being segregated by “race” in the South and achieved the most important breakthrough in equal-rights legislation for African Americans since the Reconstruction period (1865–77).

Hope this helps Have a good day

answer; adjusting and adapting to a culture other than one's own;