Quadragesimo Anno is an encyclical by Pope Pius XI, issued 15 May1931, 40 years after Rerum Novarum (thus the name, Latin for 'the fortieth year'). Written as a response to the Great Depression, it calls for the establishment of a social order based on the principle of subsidiarity. Some of its features share the same economic anti-capitalist, anti-communist analysis as fascism, including the idea of representation by vocation and social position, rather than simple democracy.
External links
text of Quadragesimo Anno (http://www.vatican.va/holy_father/pius_xi/encyclicals/documents/hf_p-xi_enc_19310515_quadragesimo-anno_en.html)