After memorizing the flags his parents started testing Arthur on his knowledge, and he can now remember every single one.

One of the oldest flags of the world, the Union Jack is a combination ... 16, 1997. The four small stars symbolize the social classes of the Chinese society — the working class, the peasantry ...

It’s a go-to question at bar trivia: what is the only national flag in the world that isn’t rectangular or square? The answer ...