While literally hundreds of millions of miles of film and videotape has been shot over the last century, very little of it provides any impact or lasting memory. However, occasionally a piece of celluloid is produced that captures some significant historical event in real time, creating a type of time capsule that transcends the years. It may be only a few seconds in length, but it provides us with a glimpse of history in the making, which is pretty cool. Unfortunately, most of these events are tragic in nature, but each is important to our understanding of the past and, as such, worth remembering. So here’s our list of the top 10 pieces of celluloid that have made film history.