A reenactment is a restaging or recreation of an earlier event. History buffs do reenactments of the Civil War, where men grow bushy mustaches and pretend to shoot at each other with muskets
To enact is to do or make something, and to reenact is to do it again. A reenactment is the action of performing a new version of an old event, usually in a theatrical performance. If you're interested in history, you might enjoy watching a reenactment of a major battle or speech. In a reenactment, people try to get the details as close to the original as possible. Doing reenactments is a hands-on way to learn and celebrate history.