Aliyah's Timeline By Island Bowman Apr 13, 1896 African-Americans in southern US started to become sverely segregated after the Plessy V. Ferguson supreme court case in 1896 Period: Apr 13, 1896 to May 17, 1954 the legal start and end of segregation Dec 1, 1955 Rosa parks gets arrested for not giving up her seat to a white man on a bus in Montgomery