It star­ted as a catch­phrase and be­came a glob­al move­ment.

On Sept. 17, 2011, hun­dreds of pro­test­ers marched through the streets of Man­hat­tan and began an en­camp­ment in Zuc­cotti Park. Defined on its web­site as a “lead­er­less res­ist­ance move­ment,” Oc­cupy Wall Street has sparked sim­il­ar protests across the U.S. and in more than 82 coun­tries.