Think You Know WWI? Prove It With This Brutally Hard 40-Question Quiz.

Lock in the clue: which royal's assassination in Sarajevo sparked the entire global conflict?

Prepare to dive deep into the world-shaking conflict that remade the modern globe. This 40-question challenge covers brutal trenches, naval clashes, and high-flying dogfights, testing you on leaders like Wilson, terrifying new weapons, and the hard-fought treaties that followed. Look out for tricky choices designed to catch you off guard as you navigate home-front efforts and battlefield strategy. See if your knowledge of World War I clicks instantly.