 Anarchist Manifesto was written ten years after the publication of a book whose author declared what?
Anarchist Manifesto: Anarchist Manifesto (or The World's First Anarchist Manifesto) is a work by Anselme Bellegarrigue, notable for being the first manifesto of anarchism. Anarchist Manifesto:  It was written in 1850, ten years after Pierre-Joseph Proudhon became history's first self-proclaimed anarchist with the publication of his seminal "What Is Property? What Is Property?: What Is Property? What Is Property?:  ou Recherche sur le principe du Droit et du Gouvernement" ) is a work of nonfiction on the concept of property and its relation to anarchist philosophy by the French anarchist and mutualist Pierre-Joseph Proudhon, first published in 1840. What Is Property?:  In the book, Proudhon most famously declared that "property is theft".
property is theft