Vache des Polders du Holstein by Adolphe Pierre Riffaut and Adrien Alban Tournachon https://www.rawpixel.com/image/14265469/photo-image-cow-art-animalFree Image from public domain licenseFrench Revolution: a prisoner sits in the middle of a crowded prison room as a woman nearby pleads with an official.… https://www.rawpixel.com/image/13993555/image-person-art-musicFree Image from public domain license