Trafalgar Square death, and the square did not open until 1844. The Nelson's Column at its centre is guarded by four lion statues. A number of commemorative statues and sculptures occupy the square, but the Fourth Plinth, left empty since 1840, has been host to contemporary art since 1999. The square has been used for community gatherings and political demonstrations, including Bloody Sunday in 1887, the culmination of the first Aldermaston March, anti-war protests, and campaigns against climate change. A Christmas tree has been donated to the square by Norway since 1947 and is erected for twelve days before and after Christmas
National Christmas Tree Association National Christmas Tree Association The National Christmas Tree Association (NCTA) is a professional organization in the United States of over 5,100 "Christmas tree professionals" in various capacities. The group focuses its work into three areas: promotion and research, federal representation (which includes Congressional lobbying), and professional education. The association was founded in 1955 and has more than 1,800 members. The official White House Christmas tree, or the Blue Room Christmas Tree, is donated each year by the National Christmas Tree Association (NCTA). The NCTA has donated the tree since 1966; it is chosen through a contest among members of the