You’ve seen these flags waving at the Olympics, plastered on backpacks, or in emoji form. But do you actually know where they come from? This quiz starts with the easy ones (yes, that’s France), then spirals into “Wait, is that Chad or Romania?” territory. If you can identify all 40 without crying into a globe, you’re basically the Secretary-General of Geography. So grab your virtual passport and let’s test if your brain has global entry—no visa required.