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.
Christmas tree white and gold. First introduced by North American Lutherans in 1957, the practice has rapidly spread to other Christian denominations, including Anglicans, Catholics, Methodists, and the Reformed. "Chrismon" (plural "Chrismons") was adopted for the type of Christmas decoration and explained as a portmanteau of "Christ-monogram" (a Christogram). Both setting up and taking down a Christmas tree are associated with specific dates. Traditionally, Christmas trees were not brought in and decorated until Christmas Eve (24 December) or, in the traditions celebrating Christmas Eve rather than the first day of Christmas, 23 December, and then removed the day after Twelfth Night (5