When did World War I begin?

Who was the Archduke assassinated in Sarajevo in 1914?

Which countries made up the Central Powers?

Which country joined the Allies in 1917?

What was Germany’s plan to quickly defeat France called?

Which type of warfare became most common in WWI?

Which ship’s sinking influenced the USA to join the war?

Who was the German Emperor during World War I?

What year did World War I end?

Which battle is considered one of the bloodiest in WWI?