What year did Alfhild Hovdan initiate the tradition of donating a christmas tree to the people of Britain?
Alfhild Hovdan:  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. Trafalgar Square Christmas tree: 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.
1947