Ever noticed how so many Arab countries have flags with the same colors—red, black, white, and green? It’s not a coincidence. In this video, we explore the fascinating history, symbolism, and ...

For example, the Netherlands’ red, white and blue flag from the 1500s set a precedent. Advertisement. Advertisement. ... “Black, red and green have been the Pan-African colors since the 1920s.

Flags often imitate or are influenced by other nations, creating “flag families.” For example, the Netherlands’ red, white and blue flag from the 1500s set a precedent.

The U.S., France, Chile and more all have this commonality: red, white and blue flags. Here's why, as explained by Ted Kaye of the North American Vexillological Association.