If you mean electrically lit, as opposed to candlelight ( super fire hazard) probably some executive at Con Ed Power and Light was called upon to flip the master switch. there were some real challenges in bringing down the light-heat levels of these bulbs to permit safe usage on trees. it was not solved until l895- whereas Con Ed ( known originally as Edison Lamp Works) was up and running in NY since l879. B y the way in l895, ll0 volts was standardized-still is.
Germany
The Christmas tree first came about after the Reformation and Germany is given as the first use of the Christmas tree, but before then churches and houses were decorated with any thing green.
Nelson Mandela
The country is New Zealand. The pohutukawa is not actually a Christmas tree. It is a tree that blossoms at Christmas time
Christmas
christmas-tree
The country would be New Zealand, but the pohutukawa is a native tree, not the nickname for a Christmas tree.
The White House's Christmas Tree has become nearly a national event, as the country looks to it for the spirit of the season. It was first brought into the White House by Benjamin Harrison.
The first president to celebrate Christmas around the first indoor White House Christmas tree was Benjamin Harrison.
The first Christmas Tree was placed in Queen Victoria's Windsor Castle.
The White House has an official indoor Christmas tree called White House Christmas Tree or Blue Room Christmas Tree. The first official indoor Christmas tree was installed on 19th century.
In 1882 Edward Johnson from New York City lit up a Christmas tree with electric Christmas lights for the first time.