National Christmas Tree Lightings Through the Years — PICTURES

Dec. 1, 2011, 12:15 p.m.

The light­ing of the Na­tion­al Christ­mas Tree, an 88-year tra­di­tion in Wash­ing­ton, is set to con­tin­ue on Wed­nes­day even­ing when the Obama fam­ily joins crowds, mu­si­cians, and celebrit­ies on The El­lipse in Pres­id­ent’s Park. Take a look in the gal­lery be­low to see how this hol­i­day cel­eb­ra­tion has evolved.