Lesson 57 of 84 · History
⭐ 30 XP🏰 History KeepWorld War I: Causes and Effects
World War I began in 1914 and lasted until 1918.
🎯 Your mission
Walk into the past. Find out who, what, and why.
⚡ The twist
What seemed obvious then is often shocking now (and vice versa).
Mind = Blown
🤯 Oxford University is older than the Aztec Empire.
Then & Now
🕰️ People still argue about this. Now you'll see why.
World War I began in 1914 and lasted until 1918. It was a global conflict mainly involving countries in Europe. Some of the main causes of the war included disagreements over land and alliances between countries. The war had many effects, such as changes in borders and the creation of new countries after it ended.
Key Facts
World War I started in 1914 and ended in 1918.
Disagreements over land were a major cause of the war.
The war led to the creation of new countries.
Check Your Understanding
Question 1
1 of 2What year did World War I start?
Why this still matters
Every road sign, every flag, every holiday — there's history hiding inside.
Stretch Challenge
Try this in real life this week.
Ask a grown-up what the world looked like when they were your age.
For the dinner table
“What's something from history you wish you could see in person?”
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World War I: Causes and Effects
Walk into the past. Find out who, what, and why.
Full screen — no distractions