How to Learn the Causes and Facts of World War I
World War I (1914–1918) reshaped the modern world, and exams focus on its causes and turning points. A single mnemonic — MAIN — captures the long-term causes, and one assassination lit the fuse. This deck teaches the causes, dates and key facts.
There are 12 cards in the deck below. You can read through them, practise them right here with the flip-card player, and then save the deck to study properly with spaced repetition — the method that makes them stick for months, not minutes.
Why the causes and key facts of World War I is hard to memorize (and the fix)
Students memorize the trigger (the assassination) but struggle to explain the deeper causes. The MAIN framework organizes them, and pairing dates with events fixes the timeline.
The fix is active recall plus spaced repetition. Instead of re-reading the list (which feels productive but barely works), you test yourself — pull each answer out of memory — and you review each card on a schedule that stretches over time. Every time you successfully recall a fact, the memory gets stronger and the next review is pushed further out. That's how you go from "I saw it once" to "I just know it."
The fastest way to learn the causes and key facts of World War I
- Break it into small batches. Learn the four long-term causes (MAIN) first, then the trigger event, then the start/end dates and outcome.
- Test, don't re-read. Look at the question, say the answer out loud before flipping the card. The little struggle to recall is what builds the memory — a smooth re-read does almost nothing.
- Review on a schedule. Spaced repetition shows you each card right before you'd forget it. Get one right and it comes back in a few days, then a week, then a month. Miss one and it comes back sooner.
- Keep sessions short and daily. Five to ten minutes a day beats a two-hour cram every time. Consistency is the whole game.
One fact per card. Distinguish the long-term causes (MAIN) from the immediate trigger (the 1914 assassination) — a classic exam split.
The full deck: the Causes and Facts of World War I
Here's every card in the set. Practise them above, or save the deck and let spaced repetition schedule your reviews automatically.
| Question | Answer |
|---|---|
| What years did World War I span? | 1914 to 1918 |
| What does the mnemonic MAIN stand for? | Militarism, Alliances, Imperialism, Nationalism (the causes of WWI) |
| What event triggered World War I? | The assassination of Archduke Franz Ferdinand of Austria-Hungary (June 1914) |
| Where was Franz Ferdinand assassinated? | Sarajevo, by Gavrilo Princip |
| What were the two main alliance sides? | The Allies (Triple Entente) vs the Central Powers |
| Name the main Allied Powers. | Britain, France, Russia (and later the USA and Italy) |
| Name the main Central Powers. | Germany, Austria-Hungary, and the Ottoman Empire |
| When did World War I end? | 11 November 1918 (Armistice Day) |
| What treaty officially ended the war? | The Treaty of Versailles (1919) |
| What was the style of fighting on the Western Front? | Trench warfare |
| When did the USA enter the war? | 1917 |
| What was WWI often called at the time? | "The Great War" or "the war to end all wars" |
Save this deck and actually remember it
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Study this deck free →FAQ: learning the causes and key facts of World War I
How long does it take to learn the causes and key facts of World War I?
Most people can lock in the causes and key facts of World War I within one to three weeks of short daily sessions. With spaced repetition doing 10–12 cards a day, you'll recognise them within days and recall them reliably within a couple of weeks.
What's the best way to memorize the causes and key facts of World War I?
Active recall plus spaced repetition. Test yourself instead of re-reading, and review on a schedule that spaces the cards out over time. Flashcards are built for exactly this — which is why the deck above is the fastest path.
Is this deck free?
Yes. You can practise all 12 cards on this page for free with no account. Sign up (also free) to save the deck and let spaced repetition schedule your reviews so it sticks long-term.