 In the United States, the National Organization for Rare Disorders signed on to coordinate Rare Disease Day and collaborated with The Discovery Channel and the show "Mystery Diagnosis", as well about 180 other partners, to organize activities across the country for the observance of Rare Disease Day.Several United States state governments issued proclamations regarding Rare Disease Day.In Europe, over 600 patient advocacy and support organizations, again coordinated by EURORDIS, also planned events.