How World War I Started: Crash Course World History 209

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Published 2014-09-12

In which John Green teaches you about World War I and how it got started. Crash Course doesn't usually talk much about dates, but the way that things unfolded in July and August of 1914 is kind of important to understanding the Great War. You'll learn about Franz Ferdinand, Gavrilo Princip, the Black Hand, and why the Serbian nationalists wanted to kill the poor Archduke. You'll also learn who mobilized first and who exactly started the war. Sort of. Actually, there's no good answer to who started the war, but we give it a shot anyway.

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All Comments (21)

@acidicvial 4 years ago

When WW1 ends Most of countries: Finally, peace Some german boy that got rejected in art school: *Peace was never an option*
@lemonhope8843 4 years ago

Getting ready for world war 3 gotta know the prequels you know
@samanali430 5 years ago

You guys would be legends if you made a quizlet for each video
@gresho5353 4 years ago

Whos watching during corona quarantine instead of history class
@mandapanda9292 4 years ago

no one: the class trying to take notes: sobs mr. green pleaSE talk slower
@devstark 8 years ago

I love how Switzerland was surrounded by the war, but never fought in WWI or WWII
@vinceian672 6 years ago

no exam,no school,no assignments. just a guy who is interested on war.
@aronbembridge4740 5 years ago

Watching this 100 years after the war ended Never forget
@quannarula7046 8 years ago

5:06 Scrolls Down Disappointment
@partyp3opl393 7 years ago

I can't be the only one watching this for a history exam ?
@caelan8819 5 years ago

The comments in Crash course world history videos: 33% Mongol memes 40% people who are asking others if they are studying for tests like them 27% actual discussions about history
@mila5922 4 years ago

Nobody: Me: goes straight to the comments for a summary
@Jotari 8 years ago

1:50 so the butterfly started World War One! Of course. No one suspects the butterfly!
@gtabigfan34 9 years ago

Otto Von Bismarck said '' One day the great European War will come out of some damned foolish thing in the Balkans'' he was reffering WW1 and he said that 36 years before First World War.
@Day_against_da_wlrd 4 years ago

who's whatching this while being stuck at home cause of covid 19 for history class instead being in school
@minniemouse5185 4 years ago

What i learned from crash course: So archduke Franz Ferdinands death was due to a butterfly flapping its wings... The butterfly was the initial cause of world war 1 and eventually world war 2. Makes sense.
@eliaschevette 9 years ago

In one hundred years people would ask why did the United States spend so much time in the middle east?
@FreshHas 5 years ago

What makes history so fascinating is that the events themselves can be interpreted in so many ways. You could find in the unfolding events an argument that pins the blame on really any of these powers. John Green here in this video did a great job of illustrating this.
@bracken1000 7 years ago

Gavrilo Princip was the most influential man of the 20th century, not because he was an inventor or a brilliant mind but because the incident he caused had a domino effect that still affects the world today.
@matthewdentistry2814 6 years ago

john, i love the vids man, but my brain just cant keep up