I just found this great video on OpenCulture entitled "An Animated History of Aviation". It's a little over 3 min long and starts with da Vinci's flying machine ideas, to gliders, to the Wright Brothers and to the present.
The video was produced by Utah Valley University and the aviation program there.
As an aerospace engineer and aerospace buff, I loved this video.
It's a great video to use if you are doing lessons on aviation or to get students interested in aviation. Aviation has a huge role in everything from science and engineering, to social studies and the way the world interacts.
Century of Flight - History of Aviation