Although Flag Day is observed on a smaller scale than neighboring patriotic holidays, the observance has its own rich history https://on.natgeo.com/2Kk6rxG

Although Flag Day is observed on a smaller scale than neighboring patriotic holidays, the observance has its own rich history https://on.natgeo.com/2Kk6rxG 

https://twitter.com/NatGeoTravel/status/1139570256312262656