Do we have evidence that these individuals committed specific acts against African-Americans during Jim Crow?

CNN: Commentary: Why Ayers case is risky for McCain-Palin

In the Montgomery Voters' League, she helped would-be voters weave their way through the Jim Crow tests designed to keep them from the ballot, and tried several times to register to vote herself.

ECONOMIST: Rosa Parks

He recalled how for half of his life, African-Americans like him weren't allowed to vote under the laws of Jim Crow segregation.

WSJ: For a Historic Election, an Enormous Turnout

Some time around 1830, Rice learned a popular African-American song-and-dance routine, based on the myth of the trickster figure, an escaped slave named Jim Crow.

NPR: The Legacy of Blackface