QUIZ: How Well Do You Know The Century Of Warfare?

20 to 40 million people died from which of these diseases during World War I?

Retry Correct Incorrect The influenza pandemic of 1918-1919 killed more people than the Great War did, with an estimated 20 to 50 million casualties. This number could mean that 3 to 6 percent of the global population died as a result of the Spanish Flu.

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Galerie Bilderwelt/Getty Images

Galerie Bilderwelt/Getty Images

20 to 40 million people died from which of these diseases during World War I?

• Syphilis
• The Plague
• Tuberculosis
• Spanish Flu