[PAR] [TLE] Trafalgar Square Christmas tree [SEP] 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. [PAR] [TLE] Alfhild Hovdan [SEP] Alfhild Hovdan (née Olsen; 13 September 1904 – 20 February 1982) was a Norwegian journalist, and later tourist manager for the city of Oslo for more than forty years.  She is known for initiating the tradition of the Trafalgar Square Christmas tree, a present from the city of Oslo to the people of London, in recognition of their assistance during World War II.
[PAR] [TLE] Trafalgar Square Christmas tree [ SEP ] 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 . [PAR] [TLE] Alfhild Hovdan [ SEP ] Alfhild Hovdan ( née Olsen ; 13 September 1904 – 20 February 1982 ) was a Norwegian journalist , and later tourist manager for the city of Oslo for more than forty years . She is known for initiating the tradition of the Trafalgar Square Christmas tree , a present from the city of Oslo to the people of London , in recognition of their assistance during World War II .
What year did Alfhild Hovdan initiate the tradition of donating a christmas tree to the people of Britain?
What year did Alfhild Hovdan initiate the tradition of donating a christmas tree to the people of Britain ?
1947
1947