Whose assassination is cited most often as the triggering event which started the war?

Which country was NOT a member of the Allies side of the war?

Which bloody battle to secure a river began in July 1916 and cost an estimated 1 million soldiers their lives?

What deadly weapon of mass destruction was used throughout World War I?

What famous ship was sunk by a German submarine in 1915, killing over 1000 civilians (including 128 Americans), and was a key event in rallying U.S. support to enter the war?

What famous book about European miscalculations that caused World War I was used as a guide by President John Kennedy to defuse the Cuban Missile Crisis?

What communist leader led a revolution which took power in Russia, ending their involvement in World War I?

Which famous German pilot shot down 80 enemy aircraft during a one-and-a-half year period between September 1916 and April 1918?

What future leader was a Lance Corporal for the Bavarian Army in World War I?

Which country was NOT one of the Central Powers that opposed the Allies in the War?