Yup, there's just a single national flag on earth without any of these common colors. Can you guess what it is?

The Bandera de Panama was made by Maria de la Ossa de Amador and adopted in 1925. The country's flag day is November 4, one day after its independence from Columbia day.

June 14 will be chock-full of patriotic celebrations, not only because it is the U.S. Army's 250th anniversary and President Donald Trump's 79th birthday, but also due to Saturday being Flag Day ...