I have created the perfect ppt for you to use in your class. This power point contains the following holidays and some have a short video for further explanation.
The holidays are President's Day, MLK, 4th of July, Constitution, and Flag Day. At the end of the presentation I have put an idea you can use for your students. My class loved it because they could make presentation at the end of this. If you have any questions please email me at email@example.com. Thanks for stopping by Happy teaching :O)