The concept of a Jewish conspiracy threatening Polish social order may be found in the pamphlet "Rok 3333 czyli sen niesłychany" (The Year 3333, or the Incredible Dream) by Polish Enlightenment author and political activist Julian Ursyn Niemcewicz; it was written in 1817 and published posthumously in 1858. Called "the first Polish work to develop on a large scale the concept of an organized Jewish conspiracy directly threatening the existing social structure," it describes a Warsaw of the future renamed Moszkopolis after its Jewish ruler. See "Judeopolonia" article for more.