Trafalgar Square Christmas tree - wikipedia Trafalgar Square Christmas tree Christmas carollers gather at the tree two days before Christmas, 2006 The Trafalgar Square Christmas tree in 2008 Lewisham Choral Society singing carols in December 2010 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. Contents 1 History 2 Tree 3 Lighting ceremony and carolling 4 References 5 External links History 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. 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. The tree remains until just before the Twelfth Night of Christmas, when it is taken down for recycling. The tree is chipped and composted, to make mulch. Tree The Trafalgar Square Christmas tree is typically a 50 - to 60 - year - old Norway spruce, generally over 20 metres tall. The tree is cut in Norway sometime in November during a ceremony attended by the British Ambassador to Norway, Mayor of Oslo, and Lord Mayor of Westminster. After the tree is cut, it is shipped to the UK by boat across the sea. At one time it was shipped to Felixstowe free of charge by a cargo ship of the Fred Olsen Line. As of at least 2007, the tree was shipped across the North Sea to Immingham by DFDS Tor Line. From 2003, it has been the responsibility of Beck & Pollitzer Ltd. to transport, guard and erect the tree in Trafalgar Square. The Trafalgar Square tree is decorated in a traditional Norwegian style and adorned with 500 white lights. In 2008, the tree utilised low - wattage halogen bulbs which used 3.5 kW of power. At the base of the tree stands a plaque, bearing the words : This tree is given by the city of Oslo as a token of Norwegian gratitude to the people of London for their assistance during the years 1940 - 45. A tree has been given annually since 1947. Lighting ceremony and carolling The tree lighting ceremony in Trafalgar Square takes place on the first Thursday in December and is attended by thousands of people. The ceremony, led by the Lord Mayor of Westminster, includes a band and choir followed by the switching on of the Christmas lights. Traditionally, the tree provides a focal point for Christmas carolling groups. For many in London, the tree and the accompanying carolling signals the countdown to Christmas. Since 2009, the Poetry Society has commissioned new poems annually for display on banners around the base of the tree. In 2010, schoolchildren also performed one of the poems at the lighting - up ceremony. On November 6th 2016 a children 's book called `` The Troll of Trafalgar Square '' was published by Author Fiona Scott who grew up in London. It was launched in Waterstones book shop in Trafalgar Square. References ^ Jump up to : Baker, Margaret. Discovering Christmas Customs and Folklore : A Guide to Seasonal Rites, ( Google Books ), Osprey Publishing, 1992, p. 50, ( ISBN 0747801754 ). Jump up ^ Solholm, Rolleiv ( 7 December 2013 ). `` Norway 's Christmas tree lights up Trafalgar Square ''. The Norway Post. NRK. Retrieved 7 December 2013. ^ Jump up to : `` Christmas in Trafalgar Square '', Greater London Assembly, official site, 2008, accessed 26 March 2009. ^ Jump up to : Strange, Hannah. `` The Trafalgar Christmas Tree '' The Times, ( London ), 6 December 2007, accessed 26 March 2009. ^ Jump up to : `` Trafalgar Square Christmas tree marks the start of Christmas in Westminster '', City of Westminster, 8 December 2008, accessed 26 March 2009. Jump up ^ `` Trafalgar Square Christmas Tree - Wrapped in Poetry ''. The Poetry Society. 2010. Retrieved 10 December 2010. External links LONDON.GOV.UK - Christmas in Trafalgar Square Trafalgar Square Christmas Tree on Twitter Wikimedia Commons has media related to Trafalgar Square Christmas tree. 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Question: why does norway give london a tree at christmas
Answer: as a token of gratitude for British support to Norway during the Second World War