3K views · 70 reactions | Deep in the Great Dismal Swamp, thousands of Black people created a hidden free society, one that defied slavery for centuries. This is the story of the rebels who turned a swamp into a sanctuary. This episode of In The Margins is part of PBS’ America@250 collection, celebrating the country’s 250th anniversary. Democracy is built on participation. Get involved at https://vote.org/pbs | PBS Origins | Facebook