What is Ash Wednesday? Why do we commemorate Lent with sacrifice?

"What's Ash Wednesday even about?" Why do we give up stuff for Lent?" You may have been asked these questions by your children over the last couple of days. While talking with my kids about the Easter season and it's accompanying traditions, I realized I was unclear about some of the history and religious symbolism myself. This video by www.bustedhalo.com is a quick and easy to use teaching tool!