WTH did Douglass do?
Among other things, as a former slave, gave the dedication speech for the Emancipation Monument (the statue BLM wants to tear down of Lincoln and the former slave with broken chains). As an escaped Slave and abolitionist, he was a founder of the (black) civil rights movement.
There had, of course been civil rights movements leading to the Magna Carts, the Declaration of Independence, and the Constitution and Bill of Rights, but those don't count, I guess.