Picea abies outside of its native range, and one of the most economically important coniferous species in Europe. It is used as an ornamental tree in parks and gardens. It is also widely planted for use as a Christmas tree. Every Christmas, the Norwegian capital city, Oslo, provides the cities of London (the Trafalgar Square Christmas tree), Edinburgh and Washington D.C. with a Norway spruce, which is placed at the most central square of each city. This is mainly a sign of gratitude for the aid these countries gave during the Second World War. In North America, Norway spruce is widely planted,
Christmas tree (drag racing) the development of the Christmas Tree, which was debuted by Chrondek at the 1963 U.S. Nationals in Indianapolis, Indiana. Another claim regarding invention of the Christmas Tree is by Wilfred H. "W.H." David, Jr., founder of the Pel State Timing Association in Lafayette, Louisiana. He created the first Christmas Tree sometime in the late 1950s and sold the rights a few years later to Chrondek Corporation for mass production. The naming apparently came from the use of small glass Christmas tree lights David used for his miniature prototype. Regardless of the actual inventor(s), the Christmas Tree and timing system is