Valley Forge National Historical Park hosted a fine event on December 19, 2010. Reenactors and Living Historians showed tourists how the Continental Army handled the cold weather and lived in such conditions.
Here is a brief video. I started it by looking up at the Moon and then walked into one of the replica Muhlenberg Brigade Huts while a three-woman choir was signing "What Child Is This" by candle light. Very dark, but I did my best.