Almost every flag in the extensive collection of world flags is recognizable as rectangular. But among all the nations, there are two exceptions—nations with perfect squares for their official flags.

You could probably guess some country names by their outlines, or name a few by their flags, but what if we blended it all together? Would you be up for the challenge? This visual geography test will ...

It’s hanging from lampposts. It’s spray-painted on roundabouts. It can even be seen posted without context on Elon Musk’s X account. In many parts of England, the red and white St George’s Cross flag ...