People
Places
Countries
Numbers
Facts
100

The person who was assassinated triggering the war in Europe.

Who is Archduke Franz Ferdinand?

100
The ocean in which the Lusitania was attacked.

What is the Atlantic Ocean?

100
The first country to declare war on another to begin the war.

What is Austria-Hungary?

100

The year the war began in Europe. 

What is 1914?

100

The country that first joined Serbia as an Allied Power. 

What is Russia?
200

The President of the US during World War I. 

Who is Woodrow Wilson?

200

The country that decoded the Zimmermann telegram.

What is Great Britain?

200

The country that had to pay $33 billion in reparations.

What is Germany?

200

The amount of money Germany had to pay in reparations. 

What is $33 billion?

200

The trigger for the US to join the war. 

What is the Zimmermann telegram?

300

The name of the terrorist group who wanted to assassinate the Archduke of Austria-Hungary.

Who are The Black Hands?

300

The palace where the Treaty of Peace with Germany was written.

What is Versailles?

300

The country on the Allied Powers side that had to drop out of the war a year before it ended 

What is Russia?

300

The number of U-Boats Germany had during the war. 

What is 38?

300

The technique soldiers used to fight and hide during battle in Europe. 

What is Trench Warfare?

400

He wrote a telegram for Mexico which was found and decoded.

Who is Zimmermann?

400

The country that the Lusitania sank near the coast of.

What is Ireland?

400

A country that was a neutral power despite having both Allied and Central Powers on its borders. 

What is Switzerland?

400

The number of minutes it took the Lusitania to sink.

What is 18?

400

The promises Zimmermann made to Mexico if they joined Germany against the US.

What is give Mexico land back in Texas, Arizona....

500

This man assassinated Archduke Franz Ferdinand.

Who is Gavrilo Princip?

500

The city Archduke Franz Ferdinand was killed in.

What is Sarajevo?

500

A country that was lost 1 million square miles after the war. 

What is Germany?

500

The year the Great War ended.

What is 1918?

500

Five weapons of war in the war that had never been used in war before.

What are tanks, airplanes, submarines, machine guns, and mustard gas?