May seems to be a “launching pad” for a series of patriotic holidays. Unfortunately, many schools close for the summer before Memorial Day and Flag Day arrive. Why not acknowlege these holidays anyways? If you're looking for end of the year activities, these could very well be what you need! My newest patriotic resource(Flag Day) is offered at 25% below price right now! This resource provides 29 COLOR BY NUMBER flags from America's history. (and much more)You can have the class do one flag per day in chronological order. End the school year with a bang! Kids will learn how to make fireworks decorations from recycled old magazines too. Here's a few other patriotic resources to choose from as well...
https://www.teacherspayteachers.com/Product/Flags-and-Fireworks-Flag-Day-Program-and-Activities-4559489   
https://www.teacherspayteachers.com/Product/Compare-and-Contrast-Memorial-Day-and-Veterans-Day-Fascinating-Familiar-Facts-2566920
https://www.teacherspayteachers.com/Product/Patriotic-Crafts-for-Learning-with-Sequencing-Critical-Thinking-Activities-3155634
https://www.teacherspayteachers.com/Product/Memorial-Day-Sentence-Stems-Crafts-and-History-1253461