Most of the world's flags aren't that old. The timeline below shows the date each nation adopted its current national flag. The vast majority were adopted in the past 200 years.

Each of the world’s flags is simultaneously unique and similar. They all say something—sometimes perhaps too much. That was the case in October 2014 when the Serbian national soccer team ...

There are 254 different flags in the world, covering all countries and dependent territories (including the United Kingdom and Kosovo). If that’s too many for you, the flags of the U.N. members ...