Princess Martha Louise released a video message for World Down Syndrome Day Senin, 22 Maret 2021 Celebrity, Fashion, Food, Gossip, Lifestyle, News, Style, Travel, World March 21 is World Down Syndrome Day, and Princess Martha Louise released a video message on the occasion of the day. World Down Syndrome Day, 21 March, is a global awareness day which has been officially observed by the United Nations since 2012. Tweet Subscribe to receive free email updates: