<P> The Trafalgar Square Christmas tree is a Christmas tree donated to the people of Britain by the city of Oslo, Norway each year since 1947 . The tree is prominently displayed in Trafalgar Square from the beginning of December until 6 January . </P> <P> The Trafalgar Square Christmas tree has been an annual gift to the people of Britain by the city of Oslo as a token of gratitude for British support to Norway during the Second World War . </P> <P> The tree has provided a central focus for the Trafalgar Square traditional carol - singing programme, performed by different groups raising money for voluntary or charitable organisations . </P>

Why does norway give london a tree at christmas