What year did Christmas become a national holiday in the US?
== == June 26, 1870
The United States has no "national holidays". Congress can only designate holidays for federal facilities. If you consider that Christmas is December 25 and New Year is January 1, the only times you will have a federal holiday between the two (from Dec 26 through Dec 31) will be when Christmas and New Year fall on the weekend. For example, in 2016, Christmas was on Sunday so the Federal Holiday was observed on December 26…