Abraham Lincoln and his Emancipation Proclamation (1888). Original from the Library of Congress. https://www.rawpixel.com/image/7690880/image-art-public-domain-flagFree Image from public domain licensePoster for the American Negro Exposition in Chicago (1940) illustration by Robert Savon Pious. Original public domain image… https://www.rawpixel.com/image/10103392/image-clouds-face-handsFree Image from public domain licensePNG African couple dancing, vintage illustration by Robert Savon Pious, transparent background. Remixed by rawpixel. https://www.rawpixel.com/image/10167811/png-clouds-faceView licensePNG African woman dancing, vintage illustration by Robert Savon Pious, transparent background. Remixed by rawpixel. https://www.rawpixel.com/image/10167814/png-clouds-faceView licensePNG African woman dancing, vintage illustration by Robert Savon Pious, transparent background. Remixed by rawpixel. https://www.rawpixel.com/image/10167812/png-clouds-faceView licensePoster for the American Negro Exposition in Chicago, National Museum of African American History and Culture https://www.rawpixel.com/image/8845565/image-background-face-cloudsFree Image from public domain licensePNG African couple dancing, vintage illustration by Robert Savon Pious, transparent background. Remixed by rawpixel. https://www.rawpixel.com/image/10167813/png-clouds-faceView licenseAfrican American blog banner template https://www.rawpixel.com/image/14931089/african-american-blog-banner-templateView licensePNG African woman dancing, vintage illustration by Robert Savon Pious, transparent background. Remixed by rawpixel. https://www.rawpixel.com/image/10167809/png-clouds-faceView licensePNG African couple dancing, vintage illustration by Robert Savon Pious, transparent background. Remixed by rawpixel. https://www.rawpixel.com/image/10167810/png-clouds-faceView licenseAfrican couple dancing, vintage illustration by Robert Savon Pious psd. Remixed by rawpixel. https://www.rawpixel.com/image/10167821/psd-clouds-face-handsView licenseAfrican woman dancing, vintage illustration by Robert Savon Pious psd. Remixed by rawpixel. https://www.rawpixel.com/image/10167824/psd-clouds-face-handView licenseAfrican woman dancing, vintage illustration by Robert Savon Pious psd. Remixed by rawpixel. https://www.rawpixel.com/image/10167822/psd-clouds-face-handsView licenseAfrican couple dancing, vintage illustration by Robert Savon Pious. Remixed by rawpixel. https://www.rawpixel.com/image/10167815/image-clouds-face-handsView licenseAfrican couple dancing, vintage illustration by Robert Savon Pious. Remixed by rawpixel. https://www.rawpixel.com/image/10167819/image-clouds-face-handsView licenseAfrican woman dancing, vintage illustration by Robert Savon Pious. Remixed by rawpixel. https://www.rawpixel.com/image/10167820/image-clouds-face-handView licenseAfrican woman dancing, vintage illustration by Robert Savon Pious. Remixed by rawpixel. https://www.rawpixel.com/image/10167818/image-clouds-face-handsView licenseAfrican couple dancing, vintage illustration by Robert Savon Pious psd. Remixed by rawpixel. https://www.rawpixel.com/image/10167823/psd-clouds-face-handsView licenseSlaves, J. J. Smith's Plantation, near Beaufort, South Carolina by Timothy H O Sullivan https://www.rawpixel.com/image/14273302/photo-image-hand-plant-personFree Image from public domain license