Trafalgar Square Authority in conjunction with the charity Unicef, who began ticketing the event to control crowd numbers. A Christmas ceremony has been held in the square every year since 1947. A Norway spruce (or sometimes a fir) is presented by Norway's capital city, Oslo as London's Christmas tree, a token of gratitude for Britain's support during World War II. (Besides war-time support, Norway's Prince Olav and the country's government lived in exile in London throughout the war.) The Christmas tree is decorated with lights that are switched on at a seasonal ceremony. It is usually held twelve days before Christmas Day.
National Christmas Tree (United States) National Christmas Tree (United States) The National Christmas Tree is a large evergreen tree located in the northeast quadrant of The Ellipse near the White House in Washington, D.C. Each year since 1923, the tree has been decorated as a Christmas tree. Every early December, the tree is traditionally lit by the President of the United States. Every president since Franklin D. Roosevelt has made formal remarks during the tree lighting ceremony. Since 1954, the event has marked the start of month-long festivities known as the Pageant of Peace. Smaller trees representing the U.S. states, District of Columbia, and the