LifestyleThis week in London: IRA bombs Selfridges & a Norwegian spruce pops upToby Earle|Francesca Stevens27 December 2015A Norwegian spruce tree first sprung up in Trafalgar Square, on this week in London back in 1947.It was a gift from the people of Oslo as a sign of gratitude for British support during the Second World War, and is a tradition that continues today.Read MoreOdessa A’zion: the nepo baby Hollywood has fallen in love with Jet set go: what the beauty editors really pack in their travel washbags SponsoredReset your wellbeing for the year aheadSponsoredDiscover a hidden island paradise in the Indian Ocean This week in London scours the archives to bring you the best moments from the capital's great history.London Live's Toby Earle takes a look back at some of the key events from the Christmas periods of the past.He begins in 1916, in the midst of one of the largest wars in history, which left more than 17 million soldiers and civilians dead.MORE ABOUTLondon history