This man was assassinated during a visit to Sarajevo.
Who is Archduke Francis Ferdinand?
This new weapon, first used in 1915, blinded and burned it's targets.
What is poison gas?
The League of Nations was first mentioned in this list of terms for resolving war.
What is the Fourteen Points?
This pandemic is considered to be the deadliest in history.
What is the Spanish flu?
The Russian Revolution was actually this many separate revolutions.
What is two?
Sarajevo is the capital of this country.
What is Bosnia?
The advancement of this led to the use of tanks, and airplanes.
What is the gasoline-powered engine?
The League of Nations was an idea from this president.
Who is President Wilson?
The first known case of the Spanish flu was in this country.
What is the United States?
The Russian Revolution is also known as the Russian Revolution of this year.
Bosnia was under the rule of this power.
What is Austria-Hungary?
This country introduced the first armored tank.
What is Britain?
The League of Nations was based on this system in which a group of nations acts as one to preserve peace.
What is collective security?
The flu's namesake comes from the amount of this in Spain.
What is news coverage?
The first revolution started with riots caused by this.
What is a food shortage?
The Serbian terrorist group Unity or Death was commonly known as this.
What is the Black Hand?
Groups of merchant ships protected by warships were called this.
What are convoys?
The League of Nations was established during this conference.
What is the Paris Peace Conference?
More of these people were killed by the Spanish flue than during World War I.
What are soldiers?
The first revolution forced this Tsar to abdicate the throne.
Who is Tsar Nicolas II?
Archduke Francis Ferdinand was assassinated in this year.
What is 1914?
German submarines were called this.
What are U-boats?
The failure of this country to join weakened the League of Nations.
What is the United States?
The estimated death toll of the Spanish flu is this.
What is 20 to 50 million?
The second revolution ended with a new government composed mainly of these.
What are Bolshevik commissars?