Some interesting facts about the American flag.

There is a lot of MATH going on!

https://alaforveterans.wordpress.com/2017/06/16/the-symbolism-of-the-13-folds-of-the-u-s-flag/

http://www.ushistory.org/betsy/flagetiq3.html

https://www.si.edu/spotlight/flag-day/flag-facts