In history, what starts out clear can over time devolve into shades of gray. Memories become less sure. One theory carries more weight than another. New generations bring fresh perspectives. And sometimes, rules change.
Now, 150 years removed, a question arises: Was what happened in Elizabethtown on Christmas 1862 a battle deserving of official recognition or is it more rightly called a skirmish?
The answer is clear as mud: It depends.