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,
Trafalgar Day Trafalgar Day Trafalgar Day is the celebration of the victory won by the Royal Navy, commanded by Vice-Admiral Horatio Nelson, over the combined French and Spanish fleets at the Battle of Trafalgar on 21 October 1805. The formation of the Navy League in 1894 gave added impetus to the movement to recognise Nelson's legacy, and grand celebrations were held in Trafalgar Square in London on Trafalgar Day, 1896. It was commemorated by parades, dinners and other events throughout much of the British Empire in the 19th century and early 20th century. It continues to be celebrated by navies of the