Multiple choice When did Christmas become an official holiday in the U.S.? June 26, 1870 Nov. 1, 1877 Dec. 25, 1912 Jan. 28, 1890 Reveal answer Fill a bubble to check yourself A Correct answer Explanation Christmas was declared a federal holiday in the United States on June 26, 1870, as part of a bill signed by President Ulysses S. Grant.