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.
Vatican Christmas Tree Poland, Pope John Paul II's country of origin, but not in the Vatican at the time. The first tree came from Italy. Since then, the offering of the Christmas Tree to the Pope has become an honour, and each year the Vatican accepts a tree donated by a different European country or region.<ref name="NECN/APTV"></ref> The Christmas tree is installed in the centre of Saint Peter's Square, together with a life-size nativity scene that is unveiled on Christmas Eve. The nativity scene has seventeen life-size statues. Of these, nine are the original figures donated in 1842 by Saint Vincent Pallotti for