Daughters Malia, left, and Sasha Obama smile during the National Christmas Tree lighting ceremony on the Ellipse near the White House in Washington, D.C., U.S., on Thursday, Dec. 3, 2015. In 1923 President Calvin Coolidge lit the first National Christmas Tree, a 48-foot balsam fir tree decorated with 2,500 electric bulbs in red, white and green. Photographer: Olivier Douliery/Bloomberg via Getty Images
