The Brief A commemorative Christmas tree ornament has been unveiled to help celebrate America’s 250th birthday next year. The gold-trimmed ornament is a collaboration between America250.org and the White House Historical Association. A Christmas tree ornament was unveiled this week. America 250 ornamentKeepsake ornament box, Official Commemorative Ornament of America’s 250th Anniversary CelebrationThe backstory:The planning organization behind the big anniversary worked with the White House Historical Association to create the ornament. The White House Historical Association has sold a popular ornament every year since 1981, honoring a president or key White House anniversary.