This story was part of a special Juneteenth project originally published in 2022 with Vox that explored the ongoing struggle for freedom for Black Americans. As the Juneteenth holiday approaches, you’ll start to see various symbols of Blackness across the country. Front lawns, apartment balconies, and clothing with the pan-African flag, “Black Power” fist, and other celebratory symbols will be everywhere. But did you know there’s a specific flag…