ww1 - Trivia, Quizzes, and Brain Teasers | Mental Floss

Why Is Memorial Day Always on a Monday?

Americans were decorating the graves of fallen soldiers on Memorial Day long before it fell on a Monday.

Why Is Memorial Day Always on a Monday?

Why Do We Have Daylight Saving Time?

Patrick Daxenbichler/iStock via Getty Images

Why Do We Have Daylight Saving Time?

Is It Illegal to Falsely Shout 'Fire' in a Crowded Theater?

Fortunately, nobody incited a stampede at New York's Metropolitan Opera House on this night in 1937.

Is It Illegal to Falsely Shout 'Fire' in a Crowded Theater?

WWI Centennial: Armistice

Imperial War Museum, Wikimedia Commons // Public Domain

WWI Centennial: Armistice

WWI Centennial: Allies Triumph In Italy, German Sailors Mutiny

Indro Montanelli and Mario Cervi, Due Secoli di Guerre, Vol. 7, Wikimedia Commons // CC BY 2.5

WWI Centennial: Allies Rebuff German Armistice Offer

William Rider-Rider, Imperial War Museum, Wikimedia Commons // IWM Non-Commercial License

WWI Centennial: Central Powers In Collapse

Department of Defense, Department of the Army, Office of the Chief Signal Officer, National Archives and Records Administration // Public Domain

WWI Centennial: Brits Victorious At Megiddo

Photographer unknown, Wikimedia Commons // Public Domain

WWI Centennial: Americans Attack the St. Mihiel Salient; the Flu Turns Deadly

Collier's New Encyclopedia, Wikimedia Commons // Public Domain

The British Codebreaker Who Convinced the U.S. to Join WWI

National Archives

WWI Centennial: Lenin is Shot; Bolsheviks Unleash Red Terror

Keystone/Getty Images

12 Facts About the R.M.S. Lusitania

Hulton Archive/Getty Images

WWI Centennial: Germany Must End War, Generals Admit

Pvt. J.M. Liles, U.S. Army, Wikimedia Commons // Public Domain

WWI Centennial: “The Black Day of the German Army”

David McLellan, Imperial War Museum, Wikimedia Commons // Public Domain

WWI Centennial: The French and Americans Advance On a Broad Front

H.D. Girdwood, Library of Congress, Wikimedia Commons // Public Domain

WWI Centennial: The Tide Turns; the Romanovs are Executed

John Warwick Brooke, Imperial War Museum, Wikimedia Commons // Public Domain