Rudolph may have had a parasitic infection of his respiratory system, according to some Norwegian Scientists. A book, published in November of 1999 talks about this and some other scientific aspects of holiday traditions and stories. The book is called, ‘The Physics Of Christmas, From The Aerodynamics Of Reindeer To The Thermodynamics Of Turkey.’
Alabama was the first U.S. state to officially recognize Christmas in 1836.
Christmas was not declared an official holiday in the U.S. until June 26, 1870.
The earliest known Christmas tree decorations were apples. At Christmastime, medieval actors would use apples to decorate paradise trees, during ‘Paradise Plays,’ which were plays depicting Adam and Eve’s creation and fall. By the 17th century, it was common in Germany to decorate Christmas trees with apples. It was a holdover from the 14th and 15th centuries.
I wouldn't try it, or recommend trying it, but Christmas trees are edible. Many parts of pines, spruces, and firs can be eaten. The needles are a good source of vitamin C. Pine nuts, or pine cones, are also a good source of nutrition.